added course listing
Comment
code refactor and add forms
changed dependencies
start of study groups
added couple more to create study group form
study group related code

also moved things into packages
Merge remote-tracking branch 'origin/dev-v1' into dev-v1

Conflicts:
	app/views/CreateStudyGroup.scala.html
error handling - links

added field to create study group
create study group - course validation
Minor changes.
more refactoring and minor changes
Started Lecture code
more study group related code
associate study group with course
added example of collapsible items for lectures
minor changes and fix adding of study group
collapsible panels for displaying of study groups
Lecture code stuff
Added lecture formdata