Show enrolment form instead of directly enroling a user
Sub categories correctly live under their parent category
Dialog box shows as coded by Ian Edwards @ Kineo
Merge branch 'courses' into release_candidate

Conflicts:
	lib/mm.db.js
	plugins/findcourses/main.js
Merge branch 'release_candidate' of https://github.com/moodlehq/moodlemobile into release_candidate