Update the automator actions

Fixes #915

Changes:
* Use the .xcconfig files from the main project
* Rebuild for x86_64
* Upgrade .xcodeprojs
* Fix any warnings
Don't allow nil objects to be added to an array

When using the helper/block method arrayByEnumeratingArrayUsingBlock
Use cocoa types for sending/receiving objects to/from QS

Fixes the Automator actions, and removes redundant/confusing code.
Make the automator action schemes shared
Copy (release) built automator actions to repo

Plus: update Info.plist with up-to-date version numbers/copyrights
Merge pull request #1786 from quicksilver/automator

Update the automator actions