Revision made in the student_courses
modal window effects
Merge branch 'develop' of https://github.com/karsanrichard/southern_cross into feature/login

Conflicts:
	application/modules/admin/controllers/admin.php
	application/modules/admin/models/m_admin.php
	application/modules/admin/views/application_view.php
added back admin
Dealt with home navigation so far