Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'master/master'
added script to remove ResponseTimes not related to grading
added alert/notice describing current environment
Merge remote-tracking branch 'upstream/master' into dev_site_differentiation
changed use of @current_user to present_user
Merge pull request #246 from kevinburleigh75/dev_site_differentiation

Development/Production visual differentiation