Support navbar reflecting current module.

Also can remember latest stayed module when refreshing.
Merge branch 'master' of git://github.com/wandoulabs/satan
Add new UI when no data in any module
Give a upgrade warning when server not match module's minium version requirement
Merge branch 'master' of git://github.com/wandoulabs/satan
Fixed cannot send sms bug
Update wording in portal page
Support global websocket subscribe
Fixed #SNAPPEAWEB-18
Fixed #SNAPPEAWEB-13
Fixed #SNAPPEAWEB-2
Fixed #SNAPPEAWEB-3
Fixed #SNAPPEAWEB-7
Fixed #SNAPPEAWEB-5
Fixed #SNAPPEAWEB-1
Merge pull request #13 from windyarts/master

Bug fixes & common components update