Merge pull request #900 from chandrasekharv/dev-branch

GWT serialization Library updated
Added spaces for colon.
Changes for class list new design implemented
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
Merge pull request #901 from VinRudramurthy/dev-branch

Added spaces for colon.
"Id's, alttext and titles updated for these files."
Merge pull request #902 from ssushma/dev-branch

classpage new UI design implemented
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/settings/UserSettingsView.java
	src/main/java/org/ednovo/gooru/client/uc/EmailShareUc.java
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
"id's,alt and title updated for these files."
Merge pull request #903 from sravanthi1/dev-branch

"Id's, alttext and titles updated for these files."
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch