Fix a conflict with django debug toolbar where an entry in INSTALLED_APPS wasn't a python module
Merge branch 'master' of https://github.com/Psycojoker/django-jstemplate into Psycojoker-master

Conflicts:
	jstemplate/finders.py
Fix test to reflect change by @Psycojoker
- A bad app import no longer raises ImproperlyConfigured. It now emits a warning