env hook. only bash works for now
more functionality in command line tool.
merging with hydro-devel
more informative rocon_app list
bugfix in indexer while parsing get_compatible_rapps
bug fix for rocon_app compat command
Merge pull request #183 from robotics-in-concert/rocon_app_envhook

command line env hook
remove depracated pairing clients parameter
provides better explanation on parent rapp not found exception
Merge pull request #194 from robotics-in-concert/better_log

provides better explanation on parent rapp not found exception