Added support to cross origin requests
Fixed code for PHP 5.2
Changed tests to support PHP 5.2 :(
Fixed CS
Fixed doc description
Added option to allowed headers
Update version number to 2.4.5
Merge branch 'master' into 2.5

Conflicts:
	lib/Cake/VERSION.txt
Log errors instead of calling trigger_error()
Merge pull request #2727 from rchavik/2.5-remove-acl-trigger-errors

Log errors instead of calling trigger_error()
Merge pull request #2692 from jrbasso/2.5-cors

Added support to cross origin requests