some test launchers for wireless handling.
direct connection.
example concert and launchers modifications to test #171
resolve gateway ip/hostname directly from the horse, #169.
rewind wallsleep changes for test code, doesn't need it for tests and this is easier than fixing the bugs that crept in, closes #194.
Merge branch 'hydro-devel' of https://github.com/robotics-in-concert/rocon_multimaster into hub_sidekick
minor updates for hub sidekick