moved completely over to the new graph message, showing up non-connected states.
Merge branch 'hydro-devel' into indigo
added clustering by ip.
sanity checks for startup without a conductor.
web interaction handling, closes #76.
we can run more than one interaction in parallel, now we publish the fact, #98.
decouple rocon master lookups from the gui code.
Merge pull request #94 from robotics-in-concert/indigo

Upgraded conductor graph
provide the remocon name when requesting interactions, #98
checks collapsed into rocon_remocon and proper scripts discovery, fixes #54.
launch info moved into a class and dummy launch type added with stub.
cleanup and handling for dummy paired interactions, but no automatic stop yet, #98
get web broswer moved to utils and delected cpp style destructor (python doesn't need it).
Merge branch 'indigo' into hydro-devel