Removed emacs backup file; added emacs backup files (*~) to .gitignore; changed permissions on lib/WeBWorK/ContentGenerator/Instructor/SetMaker2.pm

Author: djun-kim

.gitignore

@@ -1,10 +1,11 @@
 .svn
 .DS_Store
 .*
+*~
 *.save
 htdocs/tmp/*
 tmp/*
 logs/*
 conf/*.conf
 conf/*.apache2-config
-courses.dist/*
+courses.dist/*