Improved enrolment form
Heading and textarea description were missing
Improved notifications for teachers and managers
Added option to send email to managers as well as teachers.
The email message now contains a link to manage applications (the link allows teachers to manage all applications in a course, while managers see all applications in all courses).
Parse course fullname with format_string()
so that filters are applied (such as multilingual filter).
Merge remote-tracking branch 'upstream/master' into apply-v.1.3

Conflicts:
	lib.php
Merge pull request #16 from jordif/apply-v.1.3

Improvements on notifications for teachers and managers (by Jordif)