Added report tab text.
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2

Conflicts:
	src/main/java/org/ednovo/gooru/shared/util/MessageProperties.java
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Added and updated static msgs in Message properties file.
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
fixed folder delete popup issue
Merge branch 'release-6.2' of https://github.com/Gooru/Gooru-Web into release-6.2

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/shelf/collection/folders/FolderItemTabView.java
Fixed UI related issues with teacher tips.
Merge pull request #83 from mitraj/release-6.2

Added and updated static msgs in Message properties file.
Merge pull request #84 from anilgooru/release-6.2

Fixed UI related issues with teacher tips.
Add additional metadata about a collection in Collection-Edit module
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
Merge pull request #85 from chandrasekharv/release-6.2

Add additional metadata about a collection in Collection-Edit module
Merge branch 'release-6.2' of https://github.com/Gooru/Gooru-Web into release-6.2
"Changes done for add question view tool tip"
Merge remote-tracking branch 'upstream/release-6.2' into release-6.2
fixed ui issue for depth of knowledge
validate language objective with 415 according to story