docs(select): minor markdown syntax fix

Half the sentence was being highlighted as code.

Closes #9983
docs($browser): minor docs fixes

Remove obsolete `XHR` param from the docs and correct
`$log` param description.

Closes #9810
docs($compile): bindToController clarification

It was not clear that `bindToController` is a boolean.

Closes #9835
docs(guide/Bootstrap): batarang link correction

Closes #9869
docs(guide/Conceptual Overview): change "a" to "an" before "ng-controller"

Closes #9895
docs(ngModelOptions): minor grammer error

Closes #9928
fix(filterFilter): correctly handle deep expression objects

Previously, trying to use a deep expression object (i.e. an object whose
properties can be objects themselves) did not work correctly.
This commit refactors `filterFilter`, making it simpler and adding support
for filtering collections of arbitrarily deep objects.

Closes #9698