Deleted date filter on os updates view.
Merge branch 'master' of https://github.com/tic-ull/arritranco
Fixed problem with length in auth_permission with unrackablenetworkeddevicecheckops
Added script and support to migrate from mysql to postgresql
Merge https://github.com/tic-ull/arritranco

Conflicts:
	arritranco/inventory/admin_views.py