Commiting various Matchbox errata:

 * Python calls to matchbox lib missing mb_*<util-name>*.
 * Python set-up not robust.
 * Not all build tools force installed.
 * Sample data for matchbox added.
Fixed Matchbox check.php.

 * Corrected output processing.
 * Hardcoded sample path for now.
Added matchbox samples.
Corrected unzip call.