Started fixing thread issues
Merge branch 'groovy-devel' into shutdown_segfault_fix
Added small comment
Fixed shutdown segfault, renamed rosnode_ to nh_, made all member variables have _ at end, formatted functions
Merge branch 'groovy-devel' of github.com:osrf/gazebo_pkgs into shutdown_segfault_fix
Removed the physics reconfigure node handle, switched to async ROS spinner, reduced required while loops
Standardized function and variable naming convention, cleaned up function comments
Small compile error fix
Merge pull request #5 from osrf/shutdown_segfault_fix

Shutdown segfault fix