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
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