Fix code style.
Fixed typo for settings sample.
Added two ajax method in StuCampus namespace.
Used new global javascript function.
Fit the new js function.
Refactor js codes.
Rename css files. Split base.css into base.css and message-box.css
Merge pull request #4 from tonyseek/settings-fixed

Fixed typo for settings sample.
Modified filename.
Merge pull request #5 from shonenada/refactor/coding-style

Refine coding style by shonenada.