Enhanced Compare Script

Version of the launch script, based on Tower's script for Kaleidoscope. It should work as well as the simple version, just adds some additional options for making some of the windows read-only, setting more descriptive titles for the panes, etc. (http://www.scootersoftware.com/vbulletin/showthread.php?t=12472)
Merge pull request #1 from ChrisAtBloom/feature/compareScript

Enhanced Compare Script