fix header css for admin library link
Added api key filter
Fixed api key case
Added json_encode for project data in array format
merge
closes #1535
closes #1555
closes #1493
library copy edits
update page titles
Merge branch 'master' of https://github.com/Zeega/Zeega-Core into staging
release updates to editor and player
Merge branch 'master' of https://github.com/Zeega/Zeega-Core into staging
Fixed project int encoding
fix ref to discovery in item viewer
Merge branch 'master' of https://github.com/Zeega/Zeega-Core into staging
update player editor submodules