Mac Glass: implement App name using bundle and -Xdock:name and -Xdock:icon

Implement app name using bundle info and -Xdock:name VM parameter

Also provide better impl for -Xdock:icon since we'll be using the bundle info, which is all in the same code.

http://stackoverflow.com/questions/4217947/setting-process-name-on-mac-os-x-at-runtime