Support IE8 with html5shiv and respond.js
Merge branch 'feature/ie8-support' into sprint6
Fix context insensitive back-link of Engines#show
Merge branch 'feature/context-sensitive-back_link' into sprint6
Add ApplicationHelper#previous_path_like in order to support context sensitive flexible back-links
Clean unnecessary require directives
Rewrite context sensitive back-links with flash in order not to lose destination of the back-link in #edit actions
Merge branch 'feature/context-sensitive-jump_back' into sprint6
Fix unstable redirect-destinations of #destroy actions
Merge branch 'feature/stable-deletion' into sprint6
Complete the context sensitive back-links support and improve stable #destroy actions
Merge branch 'feature/context-sensitive-jump_back' into sprint6
Merge remote-tracking branch 'upstream/sprint6' into sprint6
Support allocation undoing
Merge pull request #34 from yanoh/pullreq/add-allocation_undoing

S-01057 ステータスの１つ戻しが可能になるようにする（YES本社ユーザが引当を取消できる）