Merge pull request #596 from VinRudramurthy/dev-branch

Fixed issue with displaying math symbols as options in the player.
Handled null pointer exception.
Fixed window scroll issue.
Added ... for class page title.
Fixed array index out of bound exception.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Fixed issue with displaying math symbols in multiple answers.
  "Handled publish status value when change visiblity from public to private/sharable"
  Fixed issue with displaying math symbols as options in the player.
Merge pull request #597 from anilgooru/dev-branch

Bug fixes.
implemented pagination on tags
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #598 from nutan-gooru/dev-branch

Implemented pagination for tags
fixed selected button issue on refesh
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
fixed see more css issue
FF and IE Assignment container UI Issue Resolved.
Merge pull request #599 from nutan-gooru/dev-branch

Fixed see more css issue
Merge pull request #600 from ssushma/dev-branch

FF and IE Assignment container UI Issue Resolved.
Container refresh enabled after adding assignments as, pagination had to be reset.
Merge pull request #601 from ssushma/dev-branch

Container refresh enabled after adding assignments as, pagination had to...
Save and Cancel buttons alignment issues resolved.
Merge pull request #602 from ssushma/dev-branch

Save and Cancel buttons alignment issues resolved.