Relabel `Claim account` to `Confirm account`

Fixes #1260
Merge pull request #1451 from hypothesis/1260-claim-account

Relabel `Claim account` to `Confirm account`
Move the util object into a form helper

This brings it inline with the helpers.coffee, and now uses .factory
instead of .service to register the object.
Delete NotificationController

It doesn't seem to be used anywhere...
Merge pull request #1458 from hypothesis/delete-notification-controller

Delete NotificationController
Immediately refresh viewer for live-updates

Our applyUpdates() puts/deletes annotations into the viewer.
But for the stream page, because there was no scope digest cycle
it seemed that the UI was reacting very slow to show the annotations.

This one-liner just creates a digest cycle in these scenarios.
The user experience is a magnitude better with this in the stream page

Fix #1455
Merge pull request #1461 from hypothesis/1455-refresh-viewer-immediately

Immediately refresh viewer for live-updates
Add ltr direction to our top injected elements.

Otherwise our text flow is broken at rtl pages.
Also remove a superfluous rule
Merge pull request #1462 from hypothesis/1459-rtl

Add ltr direction to our top injected elements.
Move removeQuoteCharacter into an inner function of _tokenize()

Also fix a snake_case to camelCase conversion
Move baseURI helper into own file

This is now consistent with the formHelpers file. The baseURI method
is now available on the documentHelpers object.
Merge pull request #1463 from hypothesis/searchfilter-style

Move removeQuoteCharacter into an inner function of _tokenize()
Merge pull request #1450 from hypothesis/remove-util

Remove the util service
Configure updater for standalone page

An annotation standalone page should only listen to news from
the showed annotation and its replies. This has been lost in the
our series of refactoring.

Now it is restored.

Fix #1427
Add fake  for the controller tests