Merge branch 'master', remote-tracking branch 'upstream/master'
Update git ignore to remove coverage folder

Make sure that tag search is not case sensitive. This was causing a problem on postgres databases

also remove warnings with rails and coffee scripts
Update gemfile
Fix version of bcrypt-ruby to avoid gem version issue
See http://stackoverflow.com/questions/17741040/cant-activate-bcrypt-ruby-3-0-0-already-activated-bcrypt-ruby-3-1-1-make
Update to new rspec syntax
Merge pull request #156 from msevestre/tag_case_bug

Tag case bug
well let's go and screw Travis