diff --git a/Gemfile b/Gemfile
index 413ee03..0aa2afb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,22 +2,22 @@ source 'https://rubygems.org'
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '4.1.8'
+gem 'rails', '4.2.0'
 # Use postgresql as the database for Active Record
 gem 'pg'
 # Use SCSS for stylesheets
-gem 'sass-rails', '~> 4.0.3'
+gem 'sass-rails', '~> 4.0.5'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # Use CoffeeScript for .js.coffee assets and views
-gem 'coffee-rails', '~> 4.0.0'
+gem 'coffee-rails', '~> 4.0.1'
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
 gem 'therubyracer',  platforms: :ruby
 
 # Use jquery as the JavaScript library
-gem 'jquery-rails'
+gem 'jquery-rails', '>= 3.1.4'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
-gem 'turbolinks'
+gem 'turbolinks', '>= 2.5.3'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.0'
 # bundle exec rake doc:rails generates the API under doc/api.
@@ -38,17 +38,17 @@ gem 'spring',        group: :development
 # Use debugger
 # gem 'debugger', group: [:development, :test]
 
-gem 'twitter-bootstrap-rails'
+gem 'twitter-bootstrap-rails', '>= 3.2.0'
 
-gem 'devise'
+gem 'devise', '>= 3.5.2'
 
 gem 'rails_12factor', group: :production
 
 gem 'geocoder'
 
-gem 'rails_admin'
+gem 'rails_admin', '>= 0.7.0'
 
-gem 'kaminari'
+gem 'kaminari', '>= 0.16.3'
 
 gem "paperclip", "~> 4.3"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 99b74f0..dac155d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,40 +1,49 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
+    actionmailer (4.2.0)
+      actionpack (= 4.2.0)
+      actionview (= 4.2.0)
+      activejob (= 4.2.0)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.8)
-      actionview (= 4.1.8)
-      activesupport (= 4.1.8)
-      rack (~> 1.5.2)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+    actionpack (4.2.0)
+      actionview (= 4.2.0)
+      activesupport (= 4.2.0)
+      rack (~> 1.6.0)
       rack-test (~> 0.6.2)
-    actionview (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.1)
+    actionview (4.2.0)
+      activesupport (= 4.2.0)
       builder (~> 3.1)
       erubis (~> 2.7.0)
-    activemodel (4.1.8)
-      activesupport (= 4.1.8)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.1)
+    activejob (4.2.0)
+      activesupport (= 4.2.0)
+      globalid (>= 0.3.0)
+    activemodel (4.2.0)
+      activesupport (= 4.2.0)
       builder (~> 3.1)
-    activerecord (4.1.8)
-      activemodel (= 4.1.8)
-      activesupport (= 4.1.8)
-      arel (~> 5.0.0)
-    activesupport (4.1.8)
-      i18n (~> 0.6, >= 0.6.9)
+    activerecord (4.2.0)
+      activemodel (= 4.2.0)
+      activesupport (= 4.2.0)
+      arel (~> 6.0)
+    activesupport (4.2.0)
+      i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.1)
+      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arel (5.0.1.20140414130214)
+    arel (6.0.4)
     aws-sdk (1.66.0)
       aws-sdk-v1 (= 1.66.0)
     aws-sdk-v1 (1.66.0)
       json (~> 1.4)
       nokogiri (>= 1.4.4)
-    bcrypt (3.1.10)
-    builder (3.2.2)
+    bcrypt (3.1.12)
+    builder (3.2.3)
     climate_control (0.0.3)
       activesupport (>= 3.0)
     cocaine (0.5.7)
@@ -45,46 +54,74 @@ GEM
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.9.1.1)
-    devise (3.5.2)
+    coffee-script-source (1.12.2)
+    commonjs (0.2.7)
+    concurrent-ruby (1.1.2)
+    crass (1.0.4)
+    devise (4.5.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 3.2.6, < 5)
+      railties (>= 4.1.0, < 6.0)
       responders
-      thread_safe (~> 0.1)
       warden (~> 1.2.3)
     erubis (2.7.0)
-    execjs (2.6.0)
-    font-awesome-rails (4.4.0.0)
-      railties (>= 3.2, < 5.0)
+    execjs (2.7.0)
+    font-awesome-rails (4.7.0.4)
+      railties (>= 3.2, < 6.0)
     geocoder (1.2.11)
-    haml (4.0.7)
+    globalid (0.4.1)
+      activesupport (>= 4.2.0)
+    haml (5.0.4)
+      temple (>= 0.8.0)
       tilt
     hike (1.2.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.3.2)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
-    jquery-rails (3.1.4)
-      railties (>= 3.0, < 5.0)
+    jquery-rails (4.3.3)
+      rails-dom-testing (>= 1, < 3)
+      railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jquery-ui-rails (5.0.5)
+    jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
-    json (1.8.3)
-    kaminari (0.16.3)
-      actionpack (>= 3.0.0)
-      activesupport (>= 3.0.0)
+    json (1.8.6)
+    kaminari (1.1.1)
+      activesupport (>= 4.1.0)
+      kaminari-actionview (= 1.1.1)
+      kaminari-activerecord (= 1.1.1)
+      kaminari-core (= 1.1.1)
+    kaminari-actionview (1.1.1)
+      actionview
+      kaminari-core (= 1.1.1)
+    kaminari-activerecord (1.1.1)
+      activerecord
+      kaminari-core (= 1.1.1)
+    kaminari-core (1.1.1)
+    less (2.6.0)
+      commonjs (~> 0.2.7)
+    less-rails (4.0.0)
+      actionpack (>= 4)
+      less (~> 2.6.0)
+      sprockets (>= 2)
     libv8 (3.16.14.13)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.6.2)
+    loofah (2.2.3)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    mime-types (3.2.2)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2018.0812)
     mimemagic (0.3.0)
-    mini_portile (0.6.2)
-    minitest (5.8.1)
-    multi_json (1.11.2)
+    mini_mime (1.0.1)
+    mini_portile2 (2.3.0)
+    minitest (5.11.3)
+    multi_json (1.13.1)
     nested_form (0.3.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.8.5)
+      mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
     paperclip (4.3.1)
       activemodel (>= 3.2.0)
@@ -93,53 +130,61 @@ GEM
       mime-types
       mimemagic (= 0.3.0)
     pg (0.18.3)
-    rack (1.5.5)
-    rack-pjax (0.8.0)
+    rack (1.6.11)
+    rack-pjax (1.0.0)
       nokogiri (~> 1.5)
-      rack (~> 1.1)
+      rack (>= 1.1)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.1.8)
-      actionmailer (= 4.1.8)
-      actionpack (= 4.1.8)
-      actionview (= 4.1.8)
-      activemodel (= 4.1.8)
-      activerecord (= 4.1.8)
-      activesupport (= 4.1.8)
+    rails (4.2.0)
+      actionmailer (= 4.2.0)
+      actionpack (= 4.2.0)
+      actionview (= 4.2.0)
+      activejob (= 4.2.0)
+      activemodel (= 4.2.0)
+      activerecord (= 4.2.0)
+      activesupport (= 4.2.0)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.8)
-      sprockets-rails (~> 2.0)
+      railties (= 4.2.0)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
-    rails_admin (0.7.0)
+    rails_admin (1.4.2)
       builder (~> 3.1)
       coffee-rails (~> 4.0)
       font-awesome-rails (>= 3.0, < 5)
-      haml (~> 4.0)
+      haml (>= 4.0, < 6)
       jquery-rails (>= 3.0, < 5)
-      jquery-ui-rails (~> 5.0)
-      kaminari (~> 0.14)
+      jquery-ui-rails (>= 5.0, < 7)
+      kaminari (>= 0.14, < 2.0)
       nested_form (~> 0.3)
-      rack-pjax (~> 0.7)
-      rails (~> 4.0)
-      remotipart (~> 1.0)
-      safe_yaml (~> 1.0)
+      rack-pjax (>= 0.7)
+      rails (>= 4.0, < 6)
+      remotipart (~> 1.3)
       sass-rails (>= 4.0, < 6)
     rails_serve_static_assets (0.0.4)
     rails_stdout_logging (0.0.4)
-    railties (4.1.8)
-      actionpack (= 4.1.8)
-      activesupport (= 4.1.8)
+    railties (4.2.0)
+      actionpack (= 4.2.0)
+      activesupport (= 4.2.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (12.3.1)
     rdoc (4.2.0)
     ref (2.0.0)
-    remotipart (1.2.1)
-    responders (1.1.2)
-      railties (>= 3.2, < 4.2)
-    safe_yaml (1.0.4)
+    remotipart (1.4.2)
+    responders (2.4.0)
+      actionpack (>= 4.2.0, < 5.3)
+      railties (>= 4.2.0, < 5.3)
     sass (3.2.19)
     sass-rails (4.0.5)
       railties (>= 4.0.0, < 5.0)
@@ -150,7 +195,7 @@ GEM
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
     spring (1.4.0)
-    sprockets (2.12.4)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -159,25 +204,27 @@ GEM
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       sprockets (>= 2.8, < 4.0)
+    temple (0.8.0)
     therubyracer (0.12.2)
       libv8 (~> 3.16.14.0)
       ref
-    thor (0.19.1)
-    thread_safe (0.3.5)
+    thor (0.20.0)
+    thread_safe (0.3.6)
     tilt (1.4.1)
-    turbolinks (2.5.3)
-      coffee-rails
-    twitter-bootstrap-rails (3.2.0)
-      actionpack (~> 4.1)
-      execjs (~> 2.2)
-      rails (~> 4.1)
-      railties (~> 4.1)
-    tzinfo (1.2.2)
+    turbolinks (5.2.0)
+      turbolinks-source (~> 5.2)
+    turbolinks-source (5.2.0)
+    twitter-bootstrap-rails (3.2.2)
+      actionpack (>= 3.1)
+      execjs (>= 2.2.2, >= 2.2)
+      less-rails (>= 2.5.0)
+      railties (>= 3.1)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (2.7.2)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    warden (1.2.3)
+    warden (1.2.7)
       rack (>= 1.0)
 
 PLATFORMS
@@ -185,24 +232,24 @@ PLATFORMS
 
 DEPENDENCIES
   aws-sdk (< 2.0)
-  coffee-rails (~> 4.0.0)
-  devise
+  coffee-rails (~> 4.0.1)
+  devise (>= 3.5.2)
   geocoder
   jbuilder (~> 2.0)
-  jquery-rails
-  kaminari
+  jquery-rails (>= 3.1.4)
+  kaminari (>= 0.16.3)
   paperclip (~> 4.3)
   pg
-  rails (= 4.1.8)
+  rails (= 4.2.0)
   rails_12factor
-  rails_admin
-  sass-rails (~> 4.0.3)
+  rails_admin (>= 0.7.0)
+  sass-rails (~> 4.0.5)
   sdoc (~> 0.4.0)
   spring
   therubyracer
-  turbolinks
-  twitter-bootstrap-rails
+  turbolinks (>= 2.5.3)
+  twitter-bootstrap-rails (>= 3.2.0)
   uglifier (>= 1.3.0)
 
 BUNDLED WITH
-   1.10.6
+   1.16.6