docs(jqLite): clarify that Debug Data must be enabled for scope/isolateScope methods

Closes #9515
Closes #10123
feat(ngModelController): add $setDirty method

- extract existing functionality to public method: $setDirty
- add tests to corresponding changes
- refactor code to use extracted method

Closes #10038
Closes #10049
doc(ngModelController): move example below members
docs(CHANGELOG): update changelog with 1.2.27
docs(ngModelController): update wordings, add more general info

The wordings in setDirty etc. were specific to inputs, but ngModelCtrl
is agnostic to this and the preferred term is 'control'. I also
added some more info about this to the description, and linked to
the example that now lives at the bottom of the page.
docs($httpProvider): add info about `defaults.cache`

Closes #10134
fix(input): call $setTouched in blur asynchronously if necessary

If the model is blurred during an apply it should trigger
$setTouched asynchronously.

Fixes #8762
Fixes #9808
Closes #10014
chore(scripts): publish 1.2.x releases to npm with correct tag
docs(ngAnimate): Fix typo

The ngAnimate makes reference to a function `$animateProvider.classNamePrefix`
that does not exist, the correct function is `$animateProvider.classNameFilter`

Closes #10142
chore(scripts): fix 1.2.x tag name
docs($http): describe how to remove a header on a per request basis

Closes #10144
style($http): make jscs happy
docs($filter): clarify what is a valid filter name

Also updates the CHANGELOG to add info about this breaking some
previous invalid uses of $filter

Closes #10054
Closes #10131
docs(ngShow/ngHide): add spaces to improve readability of CSS

Closes #10101
docs(ngBindHtml): fix awkward wording

Fixes #10097
Closes #10129
style(ngBind): remove trailing whitespace
docs(ngAnimate.$animate): fix classes during the various animation phases

Closes #10124
chore(i18n): update locale to CLDR v26
chore(favicon): provide retina friendly favicon

See https://github.com/angular/angularjs.org/pull/143
test($route): fix test names