Drop backup/restore Configure values
Add support for Amazon ElastiCache
Allow 'options' to be given as array when adding a param detector - similar to env / options.

Allow the following when adding request detectors using CakeRequest::addDetector():

    array('param'=>'{param-name}', 'options'=>array())
Added test case for param with options detector.

Fix coding standards errors.
Merge pull request 1567 from calin-s into 2.5

Add ability to provide a list of valid param values when adding param
based detectors.

Refs #GH-1567
Expand doc blocks for CakeRequest::addDetector.
Remove unnecessary return
Throw an exception if attempting to use authentication without SASL support  installed
Coding standard and readability
Starting the memcached server on travis

To properly test the memcached cache engine
Add encrypt() and decrypt() methods.

These methods use AES-256 and provide a simple to use API with easy to
remember names.
Add support for aes encrypted cookies.

With Security supporting AES encryption it is also ideal to have AES
compatible cookies. Refactor and simplify code. Dynamic invocation of
static method is a bit obtuse and the various methods don't all have the
same arguments.
Fix compatibility with PHP 5.2
Merge branch '2.4' into 2.5
Add y/yes option to schema create and update subcommands
Add hmac to encrypted data.

Using an HMAC ensures that the ciphertext has not been
modified.
Merge pull request #1571 from gilleswittenberg/no_confirm

Add y/yes option to schema create and update subcommands
Merge pull request #1562 from kamisama/feature/2.5-memcached-cache-engine

2.5: Add Memcached storage engine for cache 

Fixes #3511
Rename persistent_id to persistentId.

The new name is more consistent with other settings in CakePHP.
Deprecate MemcacheEngine and update defaults for Memcached

People should switch to Memcached instead. The underlying extension is
better maintained and provides improved features and performance.

Collapse the persistent and persistentId settings, while also making
non-persistent connections the default. Persistent connections should be
an opt-in feature as having them enabled by default could go very wrong
on shared hosting environments.