Merge pull request #1187 from ssushma/dev-branch

Classlist page student count issue resolved and default image issue reso...
"Changed sharing option to display public collections also into resource search"
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
fixed Allow users to tag to accessibility tags
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1189 from sravanthi1/dev-branch

"Changed sharing option to display public collections also into resouce search"
Merge pull request #1190 from nutan-gooru/dev-branch

Fixed Allow users to tag to accessibility tags
fixed css issue
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Implemented Lifeboard and Core Libraries.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
"6.5.c Parallel [Player] - When user doesn't have any collections and clicking on Add button shows grey bar fixed"
Merge pull request #1191 from nutan-gooru/dev-branch

Fixed css issue
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
Merge pull request #1192 from chandrasekharv/dev-branch

Implemented Lifeboard and Core Libraries
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
Merge pull request #1193 from sravanthi1/dev-branch

6.5.c Parallel [Player] - When user doesn't have any collections and clicking on Add button shows grey bar
Changes for tooltip question mark issue resolved