Disable rename option when using file managar from Social network, My files - refs BT#8314
Merge pull request #89 from danbarretodev/8314

Disable File manager rename option from social network  - refs BT#8314
Add status (role) constants and teacher admin function - refs #8566
Merge branch 'BT8566' of github.com:ilosada/chamilo-lms-icpna into 8566

Conflicts:
	main/inc/lib/main_api.lib.php :RESUELTO (roles 18,19)