docs($q): remove IE8-specific notice

Closes #10008
refactor($parse): don't use bind-once interceptor for non-bind-once expressions

Side-effects:
  - Logic for allOrNothing watches now lives in $interpolate rather than $parse

Credit to @jbedard for idea to remove $watch interceptors craziness from $interpolate. Even though
it technically didn't actually work, it was worth a shot, and helped clean things up a bit. Go team!

Closes #9958
Closes #9961
docs($q): missing finally notifyCallback API

finally allows for notifyCallback and is missing in the Docs
https://github.com/angular/angular.js/blob/v1.3.2/src/ng/q.js#L288

Closes #10010
docs($controller): mention "controller as" syntax

Closes #10011
feat($anchorScroll): add support for scrolling independently of `$location.hash()`

Add an optional argument to `$anchorScroll()` to enable scrolling to an
anchor element different than that related to the current value of
`$location.hash()`. If the argument is omitted, the value of
`$location.hash()` will be used instead.

Closes #4568