add SlideBar
Merge branch 'dev' of https://github.com/TranAn90/Mini-Task.git

# By lent@itpro.vn
# Via lent@itpro.vn
* 'dev' of https://github.com/TranAn90/Mini-Task.git:
  add munltinguage for page login
add activity, place for Task tab and Project tab. update Header user profile
add ProjectListView
Merge branch 'master' into dev

Conflicts:
	src/main/java/com/softlink/minitask/client/MiniTask.java
add new class OptionLanguage
add new class TaskDetail
add new class ProjectDetail