Better management of returned arrays from AS actions.

Fixes #1825
Remove some dead AS-related code

There is no such thing as an 'URL' type in AppleScript, so the removed lines would never be called
don't try to get the path of the array

just pass the array directly, since that’s what the method expects
Merge pull request #1826 from quicksilver/ASreturn

Better management of returned arrays from AS actions.