improving acl perfomance by adding indexes on acl tables and reorganization joins in getting acl node function
Skip autoloaders for APCIterator

We can skip autoloaders for this class as it is provided by
a C extension and will never come from userland code.
improving acl perfomance
Whitelist more URL-y characters in digest parsing.

Android clients include a full URL instead of just the URI. Also handle
situations where URLencoded bytes and document fragments are used.

Refs #3779
Mark App::pluginPath as deprecated and don't use it anymore.
Merge pull request #3783 from dereuromark/master-cakeplugin-path

Mark App::pluginPath as deprecated and don't use it anymore.
Fix typo
Merge pull request #3789 from suzuki86/fix-typo

Fix typo
Fix composer app issues with cake.php
Merge pull request #3788 from dereuromark/master-composer

Fix composer app issues with cake.php
Merge pull request #3782 from cakephp/issue-3779

Whitelist more URL-y characters in digest parsing.
Merge pull request #3761 from aka-toxa/master

improving acl perfomance
Update doc blocks regarding return $this
Merge pull request #3792 from dereuromark/master-docblocks

Update doc blocks regarding return $this
Exiting with 1 when Exception::getCode() returns non-integer values.

From php.net/exception.getcode
> Returns the exception code as integer in Exception but possibly as other type in Exception descendants (for example as string in PDOException).
Merge pull request #3809 from renan/2.5-non-integer-exception-code

Exiting with 1 when Exception::getCode() returns non-integer values.
cs correction