diff --git a/package-lock.json b/package-lock.json
index 1dc22e4a0..e370d506f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1356,7 +1356,6 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
-        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -2927,8 +2926,7 @@
         "esprima": "^2.7.1",
         "estraverse": "^1.9.1",
         "esutils": "^2.0.2",
-        "optionator": "^0.8.1",
-        "source-map": "~0.2.0"
+        "optionator": "^0.8.1"
       },
       "optionalDependencies": {
         "source-map": "~0.2.0"
@@ -5385,10 +5383,6 @@
         "chalk": "^2.4.1",
         "fancy-log": "^1.3.2",
         "imagemin": "^6.0.0",
-        "imagemin-gifsicle": "^6.0.1",
-        "imagemin-jpegtran": "^6.0.0",
-        "imagemin-optipng": "^6.0.0",
-        "imagemin-svgo": "^7.0.0",
         "plugin-error": "^1.0.1",
         "plur": "^3.0.1",
         "pretty-bytes": "^5.1.0",
@@ -6795,15 +6789,15 @@
       }
     },
     "node_modules/handlebars": {
-      "version": "4.5.3",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.3.tgz",
-      "integrity": "sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "dependencies": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "wordwrap": "^1.0.0"
       },
       "bin": {
         "handlebars": "bin/handlebars"
@@ -6845,6 +6839,12 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/handlebars/node_modules/wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+      "dev": true
+    },
     "node_modules/has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -7854,9 +7854,6 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
       "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
       "dev": true,
-      "dependencies": {
-        "graceful-fs": "^4.1.6"
-      },
       "optionalDependencies": {
         "graceful-fs": "^4.1.6"
       }
@@ -8049,9 +8046,6 @@
       "resolved": "https://registry.npmjs.org/klaw/-/klaw-1.3.1.tgz",
       "integrity": "sha1-QIhDO0azsbolnXh4XY6W9zugJDk=",
       "dev": true,
-      "dependencies": {
-        "graceful-fs": "^4.1.9"
-      },
       "optionalDependencies": {
         "graceful-fs": "^4.1.9"
       }
@@ -8174,14 +8168,9 @@
       "dev": true,
       "dependencies": {
         "clone": "^2.1.2",
-        "errno": "^0.1.1",
         "graceful-fs": "^4.1.2",
-        "image-size": "~0.5.0",
-        "mime": "^1.4.1",
         "mkdirp": "^0.5.0",
-        "promise": "^7.1.1",
-        "request": "^2.83.0",
-        "source-map": "~0.6.0"
+        "request": "^2.83.0"
       },
       "optionalDependencies": {
         "errno": "^0.1.1",
@@ -8854,9 +8843,9 @@
       }
     },
     "node_modules/minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
       "dev": true
     },
     "node_modules/minimize": {
@@ -10950,7 +10939,6 @@
         "async-cache": "~1.1.0",
         "bl": "~1.2.1",
         "fd": "~0.0.2",
-        "graceful-fs": "~4.1.11",
         "mime": "~1.4.1",
         "negotiator": "~0.6.1"
       },
@@ -19252,15 +19240,16 @@
       }
     },
     "handlebars": {
-      "version": "4.5.3",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.3.tgz",
-      "integrity": "sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       },
       "dependencies": {
         "commander": {
@@ -19286,6 +19275,12 @@
             "commander": "~2.20.3",
             "source-map": "~0.6.1"
           }
+        },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+          "dev": true
         }
       }
     },
@@ -21345,9 +21340,9 @@
       }
     },
     "minimist": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
       "dev": true
     },
     "minimize": {
@@ -24884,9 +24879,9 @@
       }
     },
     "websocket-extensions": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
-      "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==",
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
+      "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
       "dev": true
     },
     "when": {