deprecate the old platform info message.
Merge pull request #29 from robotics-in-concert/platform_info

Deprecate the old platform info message.
just shows name of client instead of showing full info of client
introducing share variable
Merge pull request #30 from robotics-in-concert/opp

Introducing share variable for multiple service serving. Simpler version of ResourceStatus service
Merge pull request #31 from piyushk/establish_connection_statistics

Added remote gateway connection statistics to message
invitation error handling feedback.
added time since last seen when a gateway is unavailable
Merge branch 'hydro-devel' of https://github.com/robotics-in-concert/rocon_msgs into establish_connection_statistics