Merge pull request #9 from konradb3/start-stop

Make graph structure modifiable only when scheme is stopped.
Removeing->Removing
Fixing a lot of issues with group management
Merge branch 'master' of github.com:jbohren/conman
rtt_rosclock api changes, adding rosdeployment
conman_blocks: adding switch to disable feedback input
more reporting
Adding graph example
Adding graph example
conman: Adding functions for introspection
conman_ros: broadcasting graph structure
conman_ros: Adding colorful graph introspection for visualizing latency
make heartbeat reset when enabling/disabling
Merge branch 'master' of https://github.com/jbohren/conman

Conflicts:
	conman/src/scheme.cpp