[Console]Second commit
Contains:
+ Ajax global callback
+ Support disable Codemirror
+ Global AJAX callback
+ XSS issues slove
+ JSON response bug fix
+ Selection query Explain and Profiling
+ Translation improvement
+ Bookmark creation and deletion
+ Codemirror wrong font-size under Firefox
+ Options card input elements value bug
+ Etc

Removal:
- Rollback query execution support

Signed-off-by: Edward Cheng <c4150221@gmail.com>