refactor(ngMessages): remove unused $scope

Closes #9150
docs(guide): add angular-localization module to internationalization section

Closes #9158
docs(guide/bootstrap): fix missing ngController in example
docs(guide/filter): fix label in example
docs(tutorial): fix formatting

- proper case "jQuery" vs "JQuery"
- wrap ng-view in markdown code `ng-view`
docs(tutorial): improve readability
docs(guide/migration): fix typo
docs(guide/$location): improve readability
docs(misc/faq): fix typo
docs(guide/directive): fix grammar
feat(ngAria): add an ngAria module to make a11y easier

Conditionally adds various aria attributes to the built in directives.
This module currently hooks into ng-show/hide, input, textarea and
button as a basic level of support for a11y.

Closes #5486 and #1600