Minor UI changes fixed.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Changes for mouse event handlers implemented on the header bar
  Changes for mouse event handlers implemented on the header bar
  changed the search buttons css.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Resource thumbnail issue on PPP page has been resolved
  Fixed issue on 'Resource already exists' popup when adding a new resource.
  Changed hover state for resource thumbnails
  UI changes
  Rectified css issue with my classes.
Rectified issue with search filters alignment.
"6.5.c Parallel [System - Registration] UI: confirmation reminder box is not stick at top Fixed."
Merge pull request #1228 from VinRudramurthy/dev-branch

Rectified issue with search filters alignment.
Merge pull request #1229 from ssushma/dev-branch

Header bar top align issue- Resolved
Merge pull request #1230 from sravanthi1/dev-branch

6.5.c Parallel [System - Registration] UI: confirmation reminder box is not stick at top
Fixed: Missing Courses.
Changed height for Partners library
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Header bar top align issue- Resolved
  "6.5.c Parallel [System - Registration] UI: confirmation reminder box is not stick at top Fixed."
  Rectified issue with search filters alignment.
Merge pull request #1231 from anilgooru/dev-branch

Fixed: Missing Courses.
libraries dropmenu alignment issue-Resolved