Fixed bug in directory detail view
Mention dependencies in README
Added hints w.r.t. absolute SQLite paths to settings.sample.ini
Configured STATIC_ROOT

This is needed for `manage.py collectstatic`. Configuration is read
from settings.ini, with a relative `static` dir as fallback.
Fixed translation issue
Added login_required decorator to dajaxice functions and fixed ajax tests
Added superuser creation and password changing to README
Added clear filter button