Completed implementation

Hello,

First of all, thank you for the work you started in implementing a Romanian Programmer's Keyboard for Mac OS X. I found your contribution very useful.

I have added all dead keys and updated the README file. The implementation is now close to complete, except that the CAPS LOCK key does not work correctly with accented characters and that both ALT keys act as modifiers. I didn't have the patience to fix the former issue and was unable to fix the latter. It would be great if someone else would take over these two tasks.

Please review and pull my changes, so that other people can take advantage of them too.

Best regards,
Cristian