Highlight defaults to HTML5 `mark` element

Make ActiveResource error parsing interoperate with ActionController. Closes #4881.

Display annotations from .coffee files in `rake notes`

[master] Optional start_day argument for Time#all_week.

Closes #4883

Add a testcase for non english filename. Related to #2982.

AS::Callbacks: remove unused code

Add *_url helpers to get the full assets URL

Adds `image_url`, `javascript_url`, `stylesheet_url`, `audio_url`,
`video_url`, and `font_url` to assets tag helper. These URL helpers will
return the full path to your assets. This is useful when you are going
to reference this asset from external host.

Fix override API response bug in respond_with

Fix GH #4873. Allow swapping same class middleware.

AS::Callbacks: rip out per_key option.

AS::Callbacks#define_callbacks: add :terminate_after_callbacks option

Default responder was only using the given respond block when user
requested for HTML format, or JSON/XML format with valid resource. This
fix the responder so that it will use the given block regardless of the
validity of the resource. Note that in this case you'll have to check
for object's validity by yourself in the controller.

Fixes #4796

AC::Callbacks: remove usage of :per_key option from filters

Added note about new Unicode version.

Update Unicode database to recently-released 6.1.

http://www.geek.com/articles/geek-pick/unicode-6-1-released-complete-with-emoji-characters-and-a-pile-of-poo-2012022/

Verbose output for tests.

See #3892

Add convenience method to hide a generator from the available ones

It is usually useful to be able to hide a generator when running rails
generate command. Such generators might be used only to dry up
generators code and shouldn't be available to end users.

Allow store to be a not null column.