The new option allows any Ruby namespace to be registered and set
up for eager load. We are effectively exposing the structure existing
in Rails since v3.0 for all developers in order to make their applications
thread-safe and CoW friendly.

This is a private place to put those AS features that are used
by every component. Nowadays we cherry-pick individual files
wherever they are used, but that it is not worth the effort
for stuff that is going to be loaded for sure sooner or later,
like blank?, autoload, concern, etc.

More info http://edgeguides.rubyonrails.org/api_app.html

[Carlos Antonio da Silva & Santiago Pastorino]

Also, no need to include dependencies in AS::Concerns inside included blocks.

This will allow us to do a rootless JSON/XML request to server.

Added stream as class level method to make it explicit when to stream.
Render also accepts :stream as option.

This would become useful for site which sometime transferring sensitive information such as account information on particular controller or action.

This featured was requested by DHH.

Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

This brings back the deprecated modules from ActionController, because
they didn't have any deprecation warning.

This removes all deprecated classes in ActionController related to
Routing, Abstract Request/Response and Integration/IntegrationTest.
All tests and docs were changed to ActionDispatch instead of ActionController.

Booting a new Rails application does not work after this commit [#5359 state:open]

This reverts commit 38a421b3.

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

Exceptions from views should be rescued based on the original exception. If a handler for original exception is missing then apply ActiveView::TemplateError

[#2034 state:resolved]
Signed-off-by: NJosé Valim <jose.valim@gmail.com>