add user id to new course
merage examinations ajax form
dashboard add ajax new examinations function
merge fix ajax new examinations error

Merge branch 'master' of https://github.com/jasli2/evolution
modify quick button style, change login page logo to text, add header border bottom, add auto get user notification
merge remove auto update notification status
Merge branch 'master' of https://github.com/jasli2/evolution
fix error with pre merge
Merge branch 'master' of https://github.com/jasli2/evolution
fix get notification error
Merge branch 'master' of https://github.com/jasli2/evolution
fix ajax get notifiction error
Merge branch 'master' of https://github.com/jasli2/evolution
add auto refresh notification
fix set notification readed error
Merge branch 'master' of https://github.com/jasli2/evolution
fix notification click event error
Merge pull request #56 from cocosvsn/master

notification and dashboard button style