+ Added django-mockups app.
+ Changed script type field by charfield instead of filepathfield.
+ Added __unicode__ method on sites app models.
+ Fixed redirect to login when user is already authenticated.
+ Added sites-list in private site.
+ Added categories-list in private site.
+ Added tasks-list in private site.
+ Added products-list in private site.
+ Added product model and migration file.
+ Updated menu in private site.
+ Added pymongo in requirements file.
+ Added filter in sites page.
+ Added categories_per_site page with pagination.
+ Added filter form in categories page.
+ Added tasks per category page.
+ Added filter in task page.
+ Added products per task page.
+ Added detail-product page.
+ Added filter on product page.
+ Added code field in category filter.
+ Added in product detail view the stats from mongo.
+ Updated size the code and cron fields in form filters.
Merge branch 'dev'

Conflicts:
	requirements.txt
+ Fixed requirements file, double pyscopg2 entry was deleted.