Generate sha256 reading file in chunks for avoid memory leaks (#428)
Merge branch 'bug428'
Fix controller slices and user tests (#430)
Fix (apply rename) users and sfa permissions (#414)
[tests] Replace url absolute assert with url relative (#430)
Uprade minor apps dependencies.

- Django 1.6.1 --> 1.6.3
- paramiko --> maintenace
- markdown --> issues
- simplejson --> pings
- requests --> state.tasks, communitynetworks.models
- django-filter [REMOVED]
- django-google-maps --> gis
- django-fluent-dashboard
- django-celery-email
- django-extensions (show_urls, graph_models)