Remove unused code
(refs #13)Trying to embed ace editor into repository viewer.
Removed FileUploadControllerBase(in the middle of improving file
upload).
(refs #13)Implementing file editing on the repository viewer
(refs #13)Implementing file editing on the repository viewer
(refs #13)Commit from AceEditor is available.
(refs #13)Disable commit button if content is not modified.
Refactoring
Fix #308
(refs #13)File editing (add, edit and delete) in repository viewer is available.
Merge pull request #351 from ysuganuma/Fix308

Fix #308
(refs #348)Upgrade MINA to 0.11.0
Merge remote-tracking branch 'origin/master'
(refs #12) Replaced the latest version of the dropzone.
(refs #12) Implemented the upload area in preview.hrml.
(refs #12) Change the Markdown notation of images.
(refs #12) Implemented the process of saving image.
(refs #13)Bug fix
(refs #13)Fix real-time validation for filename and Add line wrap mode switcher
(refs #13)Fix link target of cancel button