Merge branch 'hydro-devel' of http://github.com/turtlebot/turtlebot_s…

…imulator into hydro-devel

stand-alone Gazebo-powered, fully catkinized, hydro-release ready

Merge branch 'master' of https://github.com/turtlebot/turtlebot_simul…

…ator

preparing form 1.0.1 release