revert role manager loader - not needed.
service names should be valid rosgraph names.
Merge pull request #97 from robotics-in-concert/opp

reverting roles_and apps argument
use strings for uuid's with remocons, poor man rosjava can't handle uuid_msgs, closes #98.
Merge branch 'hydro-devel' of https://github.com/robotics-in-concert/rocon_concert into hydro-devel
Add some web apps for testing
Merge pull request #100 from robotics-in-concert/opp

service remapping support
Merge branch 'hydro-devel' into opp