Merge branch 'master' of https://github.com/almondg/cursejar

Conflicts:
	cursejar/core/views.py
	cursejar/cursejar/urls.py
Merge branch 'master' of https://github.com/almondg/cursejar

Conflicts:
	cursejar/core/views.py
	cursejar/cursejar/urls.py
Merge branch 'master' of https://github.com/almondg/cursejar

Conflicts:
	cursejar/core/views.py
	cursejar/cursejar/urls.py
Add view to all challenges. plus a new view after creating a challenge.