Merge pull request #219 from Rakeshadlagatta/master

re added item model
version name changed in about_obs.html file in app folder
Merge remote-tracking branch 'upstream/master'
Merge pull request #220 from raghuvissu/master

version name changed in about_obs.html file in app folder
dashboard changed and search activitie added
Merge remote-tracking branch 'upstream/master'
valdation message added for device in selfcare
Merge pull request #221 from raghuvissu/master

dashboard changed and search activitie added
remove option to parentChild