Build environment changes + settings file added

Added a Boxee Box specific xml file for Settings config.
	*Vertical sync (always enabled)
	*Blank other displays (on)

Replaced samba version 3.6.19->3.6.20, old one have been remove from homepage.

Library for RTMP have changed name from librtmp.so.0 to librtmp.so.1 so changed build scripts accordingly.