Updated Round End Music (SQLite)

Tweaked weighting function to not significantly boost low playcount
songs.
Updated Extended Map Config

Cleaned up plugin, added support for separate TF2 map configurations for
"Attack and Defend" and "Push" CP modes.
Updated Extended Map Config

Changed config file / directory path generation to use a more general
BuldPath-like method.
Updated Prop Bonus Round

Prevents propped players from being targeted by sentries during the
humiliation round.  Also fixed glow and allowed fake clients (bots) to
become props.