Fix logout locator
Fixed few system-tests related to custom info, details and facts
For sg tests, register systems to Library

* avoids need to create a content view
Merge pull request #854 from kbidarkar/fix-system-tests

Fixed few system-tests related to systems custom info, systems details and systems facts
Merge pull request #856 from sghai/cvtest

Fixed content-view tests
added a sleep due to timing issue and blocked the test with bz id