clear stale users form lobby & small fix to state transitions

-when the server starts it wipes out all users in the lobby
-added a small change to how state transitions work so units don't
always transition to wait between walk commands (this probably needs to
be done smarter in the future)
Merge pull request #17 from chrisbubernak/FixTSLintErrors

clear stale users form lobby & small fix to state transitions