docs(ngMock): $log.error property contains messages from $log.error, not $log.log

Closes #5932
test(doc:protractor): turn off animation for doc end to end tests to speed things up
style($interval): remove ws and replace comma with semicolon
docs(ngRoute): grammar correction

grammar: occurs -> occur

Closes #5937
refactor(externs): move Closure Externs back to Closure code repository

While Closure Compiler generally recommends to maintain the externs for
projects together with their source, this has not worked well for
AngularJS:
- Changes to externs must be tested; they can break clients. AngularJS
  has no testing infrastructure for this.
- Changes mostly come from users inside of Google and are much more
  easily submitted together with the code using them within Google's
  repository.

This change deletes the externs here and adds a README.closure.md to
document the change. They will be added back to Closure Compiler in a
separate submit.

Closes #5906
fix(a): don't preventDefault on click when SVGAElement has an xlink:href attribute

Before this change, an SVGAElement with an xlink:href attribute and no href or name attribute which
was compiled by the angular HTML compiler would never be clickable, due to the htmlAnchorDirective
calling event.preventDefault() due to the missing href attribute.

This change corrects this behaviour by also testing the xlink:href attribute if the element in
question is determined to be an SVG anchor tag (with the href property having type SVGAnimatedString)

Closes #5896
Closes #5897
docs(ngdoc): ensure module installation docs are accurate

The ngMock module is built into a package called angular-mocks, which is
not named consistently and the docs were giving invalid info.

Closes #5810
docs(guide/filter): link to an example of a filter unit test
feat($animate): provide support for a close callback

Closes #5685
Closes #5053
Closes #4993
docs(search): make sure the forward slash doesn't focus on search while on another input element

Closes #5969
docs(changelog): release notes for 1.2.10
chore(release): cut v1.2.10 release
chore(release): start v1.2.11 (1.2.11)
chore(release): update cdn version
Merge pull request #8 from angular/master

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