Merge pull request #3 from jhu-lcsr-forks/groovy-devel

Fixing install script names
Formatted files to be double space indent per ROS standards
Merge pull request #4 from osrf/ros_formatting

Formatted files to be double space indent per ROS standards
Merge branch 'groovy-devel' of https://github.com/osrf/gazebo_pkgs into groovy-devel