some test launchers for wireless handling.
direct connection.
first draft at the hub sidekick
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
added a WallRate class (same as rospy.Rate, but uses wall clock)
first draft of the hub sidekick is complete. closes #182. closes #183
fixed default ping frequency
fixed arguments provided to ping class in hub watcher thread
disabling multihub int his test until #197 is fixed, closes #195.
fix help string for rocon_test.
trivial documentation helpers.
parse all hubs for advertisements, not just the first one, #197
re-engage multihub in pulls.test now that we scan all hubs for advertisements, #197
remove no longer needed warning in comments.
Make sure the publishers are setup before Gateway can possibly use them.
bugfix the sequence again, have to be very careful with the construction
sequence.