unify null checks - avoid method call in favor of strict check
simplyfy test and correct some test param orders
a few more orders in test case corrected
RedirectRoute class does not honor persist as array with custom route elements.

Custom route elements like '/:lang/etc' should be persisted by redirect
routes as they are in standard routes.

Refs #GH-1531
Merge pull request #1533 from dereuromark/master-null-checks

unify null checks - avoid method call in favor of strict check
Add a test for Hash::sort()

Closes #3956
Makes PHPCS pass again.
Merge pull request #1537 from Phally/master-cs

Makes PHPCS pass again.
Remove insertQuery and deleteQuery.

These properties were never implemented and are misleading when people
try to use them.

Closes #3997
Merge branch 'master' into 2.4

Conflicts:
	lib/Cake/Network/CakeResponse.php
	lib/Cake/TestSuite/CakeTestCase.php
Pass Controller:$components config to mocked components

Otherwise there can be significant differences in behavior between using
an unmodifiedcomponent in testAction and using a mock as the config will not be
propogated from the controller
Merge pull request #1539 from cakephp/feature/2.4-mock-components-with-config

BugFix: 2.4 mock components with config
Conditionally define constants in the CLI environment.

Only define constants if they don't already exist. Users can modify
`app/Console/cake.php` and define constants before this code executes.

Fixes #4000
Merge branch 'master' into 2.4
Update version number to 2.4.0-RC2
sync and correct generic css
Merge pull request #1541 from dereuromark/master-css

sync and correct generic css
Remove invalid code.

Fixes #4002
Breaking trigger_error() to multiple lines to shorten the line length.

As proposed in https://github.com/cakephp/cakephp/pull/1525/files#r5779374
remove duplicate newlines according to CS