Add rake test description

No behavior change
Removed template_root as a configuration option

Removed template root from actionmailer configuration options as it seems to have been pulled out completely in favor of explicit definition via template_path / template_name.
Fix #9360 regression in content_for
cache_key consults updated_on timestamp if present

- Extract max timestamp retrieval for cache_key
- Update changelog for cache_key changes
Move AS CHANGELOG entry up.

I merged b883706 but forgot to move the entry past beta1.
Fix default output for postgres network address types
Merge pull request #8010 from subwindow/postgres_inet_default_fix

Fix default output for postgres network address types
the router allows String contraints.

Closes #9432.
Merge pull request #9437 from senny/9432_undefined_method_source_in_routes

the router allows String contraints.
allow non-String default params in the router.

Closes #9435.

Skip valid encoding checks for non-String parameters that come
from the matched route's defaults.
Merge pull request #9439 from senny/9435_router_params_as_integers

convert non-string default params to strings in the router.
remove private attribute? warning
Merge pull request #9452 from frodsan/remove_private_attribute_warning

remove private attribute? warning
Merge pull request #9359 from justinwb/master

Removed template_root as a configuration option
remove duplicated number_helper tests in AP. They are already in AS.

With 155cd5e6 the number_helpers were moved into AS all the tests were copied over
but the tests in AP were not deleted. This is confusing.

I removed all duplicated tests and reorganized the tests in AP to only test the
functionality, that is added in AP.
cleanup AP number_helpers_test

* use 1.9 style hash syntax
* don't use brances on assert_equal
* prefere " over '
Merge pull request #9457 from senny/remove_duplicated_number_helper_tests

Remove duplicated number_helper tests in AP. They are already in AS.

With 155cd5e the number_helpers were moved into AS all the tests were copied over but the tests in AP were not deleted. This is confusing.

This removes all duplicated tests and reorganized the tests in AP to only test the functionality, that is added in AP.

Also cleanup some of the number helper tests.
fix db_runtime attribute  value after raising ActionView::MissingTemplate exception
Merge pull request #9218 from Fivell/master

Fix calculation of db_runtime property in
ActiveRecord::Railties::ControllerRuntime#cleanup_view_runtime.

Previously, after raising ActionView::MissingTemplate, db_runtime was
not populated.

Closes #9218, Fixes #9215.

Conflicts:
	activerecord/CHANGELOG.md
There's no need to access Railties through self.class

Closes #9386