Fix the versions controller and views.
Fix grades#view_my_scores
Fix the Revert/Impersonate side button
Optimize grades#view
Fixing bugs to get it working on my systems
Merge pull request #1 from LordSanki/rails4

Fixing bugs to get migration working
Fixed System_settings set table name
repopulated system_settings in db/seeds.rb so System Settings and Menu Editor will display info
Fixed Graphr gem & new topic issue in sign_up_sheet_controller.rb
Fixed signup sheet team creation issue
Fixing bug related to signingup of assignment and submitting asssignment
Merge branch 'rails4' of https://github.com/macluo/expertiza into rails4
removing multiple instance of graphr
moving mailer.rb file
Renamed /views/bookmarks/*.rhtml to *.html.erb
Merge branch 'rails4' of https://github.com/macluo/expertiza into rails4
Fixed duedate no-show bugs
Fixed duedate noshow bugs in Assignemnts general view
Fixed Questionnaire noshow bug
Included jquery-datetimepicker-rails in Gemfile