GLC: Update README
Merge pull request #82 from johansson/update-instructions

GLC: Update README
GLC: Support Windows usernames

	- Windows doesn't have a USER environment variable. It's USERNAME.
Merge pull request #83 from nulltone/support-windows-usernames

GLC: Support Windows usernames
Add player status to heartbeat, and send QUIT status on exit
Player Status, particularly for QUIT.