Update prg component to 2.0
Renaming files and folders to match 2.0
Fixing failing test by updating the code to be compatible with 2.0
fixed a 'notice: undefined index' issue which would arise if you posted a form to parse for values which didn't contain a key for a variable you'd defined as a presetVars[] with a type==checkbox
Fixing getQuery method
Fixing loading of the Component class for the PrgComponent
changed _addCondQuery to allow empty() - so you can pass in '0' and it will trigger the method... you can of course ignore within the method as needed, but until this is changed you can not pass in a '0'
changed _addCondExpression and _addCondSubquery to allow empty() - so you can pass in '0'
fix all tests
updated Prg component to use for 2.0 component construction
removes non-effect lines of the test case for Prg component
Fixing loading of the Router in the PrgTest
skip mysql specific tests for other db
add param to searchable
Merge branch 'develop' of github.com:CakeDC/search into develop
Merge branch 'develop' into 2.0

Conflicts:
	Controller/Component/PrgComponent.php
	Model/Behavior/SearchableBehavior.php
	Test/Case/Component/PrgTest.php
confirm that #23 is not reproduced
updating db check from driver to datasource

Conflicts:

	Test/Case/Behavior/SearchableTest.php
Merge branch '2.0' of github.com:CakeDC/search into 2.0

Conflicts:
	Test/Case/Behavior/SearchableTest.php
Renaming the test cases