add Session to properties array
can rewrite Controller, generate props from files

Add functional to rewrite Controller.php from change setting in script or with setting $rewrite variable from URI, like http://yousite/netbeans.php?rewrite
Properties generated by parsing startup.php, index.php - this add backward compatibility with not using in old versions of opencart classes like "Measurement".
Add vars for catalog and admin paths - some peoples have another paths.
Merge pull request #2 from Conwell/master

can rewrite Controller, generate props from files