chore($animate): remove Moz statements from requestAnimationFrame
fix(ngMock): ensure ngAnimate isn't a required mock
docs(changelog): release notes for 1.2.9
chore(release): cut v1.2.9 release
chore(release): start v1.2.10 (1.2.10)
chore(release): update cdn version
docs(guide/directive): rephrase for consistency

- referring to `=attr` rather than `=prop` is consistent with note under example with =customerInfo
- change `prop` to `attr` (basically `prop` refers to property in JS object, `attr` is for HTML tag)
- change the function name in description to match the name in code example

Closes #5786
docs(README): fix typo

Closes #5813
docs(ngShowHide): make a note of values considered to be falsy

This issue has been a focus of problems for some users and we discussed it on the IRC that it should
be at least documented.

~Amended the style to use bootstrap notes, I think overall it looks better and catches the eyes more
easily. However there are no anchor links to these, if these are necessary they can be added later.

Closes #3436
Closes #5762
docs(concepts): fix typos in explanation

Code uses module names with '2' as suffix while the explanation used the module names without the
suffix. The diagram is correct but also does not suffix the module names.

Closes #5567
docs(tutorial): reference node command before scripts\web-server.js

Amended to also clarify this note in the mac/linux tab.

Closes #5845
docs(animations): renamed animate-show-hide to sample-show-hide

This always throws me off - I think it helps to make it clear that the class name is arbitrary, and
what matters is the .ng-etc classes.

Closes #5848
docs(tutorial): fix typo

Correction misspelling: easist -> easiest

Closes #5850
docs(tutorial): add missing semicolon to code snippet

Lets encourage people to use semicolons in javascript :>

Closes #5834
docs(contributing): add instructions to install grunt-cli/bower globally on unix systems

Closes #5814
Closes #5811
docs(ngChange): clarify difference between ng-change DOM change event

The ng-change event triggers immediately, which makes a difference for text input fields and text
areas, where the JavaScript onchange event would only be called at the end of the change.

Closes #5640
docs($sce): correct documentation for angular 1.2.0

Include mention of `ngSanitize` (and add it to the example), as well as removing (and clarifying if
needed) references to `ng-html-bind-unsafe`.

Closes #5551
docs(input): document ngValue directive

Extend the example with ng-value showing how to deal with default checked radio boxes.

Closes #5654
docs(api): adds links to top level guides

The main api docs page is probably the main landing page for many devs
looking to learn angular, so linking to the main guide pages would
likely help.

Closes #5869
docs(directive): link to directive registration api function

Originally, this issue was regarding documenting `restrict: 'CM'` in the directive guide, but it
was pointed out that the restrict documentation is covered in the $compile documentation. Because of
this, a link was simply added to the $compile documentation.

However, the wording suggests that it's actually linking to the directive registration function, in
$compileProvider, so the docs will link there instead. There is a link only a paragraph below to the
$compile documentation, so this does not hurt.

Closes #5516