"Top Endorsed Collections API Changes Integrated"
Merge pull request #2290 from VinRudramurthy/release-6.6.3.a1

Search: Moved static text to MP file.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/dashboard/TopRemixedAndEndorsedCollections.java
	src/main/java/org/ednovo/gooru/client/mvp/dashboard/TopRemixedAndEndorsedCollections.ui.xml
	src/main/java/org/ednovo/gooru/client/mvp/dashboard/UserDashBoardView.java
	src/main/java/org/ednovo/gooru/shared/i18n/MessageProperties.java
	src/main/java/org/ednovo/gooru/shared/i18n/MessageProperties.properties
	src/main/java/org/ednovo/gooru/shared/model/code/PublishedCollectionsInfoDo.java
"top endorsed file changes integrated"
"sessiontoken hard coded for published collection count and hardcoded url added to get top endorsed collections details"
Merge pull request #2291 from sravanthi1/release-6.6.3.a1

"Top Endorsed Collections API Changes Integrated"
My Collections: Implemented optional features while adding pdf or image.