Fix disabled elements as array for multiple select and make in_array() work properly here, fix same in_array issues for radio elements and move tests correctly - #1105
Merge pull request #1105 from dereuromark/master-fix-disabled

Resolve incomplete regression fix for FormHelper selection and disabled.
Make path to router script absolute in server shell.

Relative paths fail when you run the server from inside app/Console
or any other path.
Make paths platform dependent.

This fixes issues with the built-in PHP webserver on windows.

Fixes #3608