Added Icons, Support for Compiled Scripts

support compiled scripts, add icon, code cleanup

* Support compiled scripts (limited, cannot configure post-install)
* Added icon (for .exe and for system tray)
* Consistent newlines at EOF
* Update .gitignore (add compiled scripts and compiler batch script)
* Improve comments in realmscript.ahk to be dev-friendly
  (assumes no more user editing)
* realm.ahk -> realmscript.ahk for clarity
* Updated README