Adds namespace support to the UI:
1. Namespace CRUD/management
2. Show Namespace in relevant areas (intentions, upstreams)
3. Main navigation bar improvements
4. Logic/integration to interact with a new `internal/acl/authorize` endpoint
* ui: Reconciliate ember-data store when records are deleted via blocking
Currently we are barely using the ember-data store/cache, but it will
still cache records in the store even though technically we aren't using
it.
This adds a SyncTime to every record that uses blocking queries so we
can delete older records from the ember-data cache to prevent them
building up
* ui: Add basic timestamp method we can access from tests, fixup tests
Adds a timestamp method that we can access from within tests so we can
test that the SyncTime is being set.
There is probably a better way to do this, but this is also probably the
simplest approach - we are also likely to revisit this at a later date
Repositories are a class of services to help with CRUD actions, most of
the functionality is reused across various Models. This creates a new
repository service that centralizes all this reused functionality.
Inheritance via ember `Service.extend` is used as opposed to
decorating via Mixins.
1. Move all repository services (and their tests) to a
services/repository folder
2. Standardize on a singular name format 'node vs nodes'
3. Create a new 'repository' service to centralize functionality. This
should be extended by 'repository' services
John Cowen