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
delete formatHeader()
update  -ref BT#8566
update validation in transaction
update (valid flag) -ref BT#8566
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)
Delete TEACHERADMIN constant, not needed - refs #8566
Merge branch 'BT8566' of github.com:ilosada/chamilo-lms-icpna into 8566
valid ROLE_TEACHER_ADMIN in login - ref BT#8566
valid ROLE_TEACHER_ADMIN in ajax - ref BT#8566
valid ROLE_TEACHER_ADMIN - ref BT#8566
Add teacher administrator option into add and edit user select controls. Add English and Spanish translations - refs BT#8566
Merge branch 'BT8566' of github.com:ilosada/chamilo-lms-icpna into 8566
ADD tab in home acces to web -ref BR#8566
insert sutitute (mejorado) - ref BT#8566
List In-Out after subsitution form - refs BT#8566