not logging parent eventId in collection end
event issue has been resolved.
Merge pull request #2137 from mitraj/release-6.6.3.a1

Added previous button to the Flag information popup.
Merge pull request #2136 from shivalinga/release-6.6.3.a1

not logging parent eventId in collection end event issue has been resolved.
Folders: Added comments at missing places.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
"Collaborator should be able to delete comments implemented"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2140 from sravanthi1/release-6.6.3.a1

"Collaborator should be able to delete comments implemented"
Merge pull request #2139 from VinRudramurthy/release-6.6.3.a1

Folders: Added comments at missing places.
status code related popup has been implemented.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
"1.0.c [Search] Class info Details are displayed in Collection player,when collection played from search Fixed"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2148 from sravanthi1/release-6.6.3.a1

1.0.c [Search] Class info Details are displayed in Collection player,when collection played from search
fixed data log path attribute value issue.
Added search keyword in the data log event.
"Update Kindergarten Course thumbnails on registration popup Fixed"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2152 from sravanthi1/release-6.6.3.a1

Update Kindergarten Course thumbnails on registration popup Fixed.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/play/collection/CollectionPlayerPresenter.java
Merge pull request #2154 from shivalinga/release-6.6.3.a1

fixed data log path attribute value issue .