fix(jqLite): properly toggle multiple classes

Fixes #4467
Closes #6448
docs(guides/providers): fix typo

Closes #5465
chore(triaging.md): update triaging guidelines

I removed the complexity metric as suggested by this blog post on triaging:
http://www.lostgarden.com/2008/05/improving-bug-triage-with-user-pain.html
(see The temptation to assign ‘cost’)

Big thanks to @ashleygwilliams and @davidjnelson for their help and feedback!
docs(core): update fromJson return values

Dates are not returned, so remove Date from list of return values.

Closes #3070
feat($animate): animate dirty, pristine, valid, invalid for form/fields

Add css animations when form or field status change to/from dirty,
pristine, valid or invalid. This works like animation system present
with ngClass, ngShow, etc.

Closes #5378
fix($animate): delegate down to addClass/removeClass if setClass is not found

Closes #6463
docs(ngAnimate): add missing 'super' to addClass
docs(tutorial/step-05): fix path for 'phones.json'

Closes #5460
docs(input): update $parsers NgModelController doc

Make it clear that the result of the $parsers pipeline is what goes to the model value.

Closes #5708
docs(forms): generated CSS classes for forms and inputs must have a ng prefix
style: enable jscs requireRightStickedOperators rule
docs($sce/insecurl): mention port in the same origin policy

Closes #5759

The default trusted origin appears to be the same protocol+domain+port,
non just protocol+domain.
I patched the doc accordingly.
docs(changelog): release notes for 1.2.14 feisty-cryokinesis
chore(release): update cdn version
docs(ngMock): fixes in flush() documentation

The docs for the `flush()` method contained a few grammatical
errors and were awkwardly worded. Change the explanation of
the method to remove errors and read more naturally.

Closes #4886
docs(loader): change 'MyModule' -> 'myModule'

Closes #5393
docs(guide/injecting-services): fix list formatting in Related* sections

Closes #5447
docs(*): ensure jsdoc type expressions are valid
chore(package.json): update dgeni dependencies
docs(directives): ensure that the back-to-top directive resets location

Closes #6512
Closes #6499