Use Rails 3 sexy validation syntax
Refactor Student spec
Merge pull request #210 from joneslee85/patch3

Use Rails 3 sexy validation syntax
Merge pull request #211 from joneslee85/patch-4

Refactor Student spec
[spec/requests] Fix student specs
[spec/requests] Fix admin/presets specs
[spec/controllers] Fix admin/students specs
Merge branch 'master' of github.com:Genshin/GAKUEngine
[travis] Install pre version of bundler
[travis] Remove ruby-head
Merge remote-tracking branch 'origin' into update_bootstrap_v3
Minor refactorings
Merge pull request #212 from joneslee85/patch-5

Minor refactorings
merged master & fixed conflict