[bug fixs]
- TDIS-6380, To show and hide a div when receiving scrolling event from iframe to enforce the content refresh.
- Fixed a css error.
Merge pull request #238 from jacobchen/next

[bug fixs] TDIS-6380
[bug fixs] TDIS-5618, Changed to use define getter to protect the battery object.
Merge pull request #239 from jacobchen/next

[bug fixs] TDIS-5618, Changed to use define getter to protect the batter...
bugfix for RC7
return string for status
throw correct error ID in systeminfo
Merge branch 'next' into tizen
update for RC7