Initialize submodules
Upgraded mod/attendance to 2.6.1
Upgraded mod/bigbluebuttonbn to 1.0.9.2013110104
Upgraded mod/recordingsbn to 1.0.9.2013110104
Upgraded mod/turnitintool to v2013111403
Merge branch 'feature/plugins' into staging

Conflicts:
	mod/attendance
	mod/bigbluebuttonbn
	mod/recordingsbn
	mod/turnitintool