removed second "storage" of time_created which defaults to current_time anyway
Merge branch 'master' of https://github.com/juxtalearn/clipit

Conflicts:
	mod/z01_urjc_backend/classes/UBItem.php
Merge branch 'master' of https://github.com/juxtalearn/clipit
Merge branch 'master' of https://github.com/juxtalearn/clipit
improved detection of activities like posting a comment or a discussion post