Share and snapshot clone documentation
Share rollback
Documentation for scheduled tasks
Dashboard documentation

Updated dashboard gif and cpu widget gif
Added top shares widget section
misc changes
Merge pull request #17 from sujeetsr/issue#15_clone_rollback

Issue#15 clone rollback
Merge branch 'issue#4_dashboard' of git://github.com/sujeetsr/rockstor-doc into sujeetsr-issue#4_dashboard
misc updates
Merge pull request #18 from sujeetsr/issue#4_dashboard

Dashboard documentation
update quickstart document for 2.0