add roslaunch-complete that provides arg-completion
roslaunch: prvide completion for args using 49489d4cbbb999798e7072cdc8c6d987c617ce3e
This overrides the default rosbash completion.
roslaunch: add completion for --skip-log-check and --ros-args options
removed roslaunch env hook for completion (now in rosbash)
Merge pull request #230 from dornhege/groovy-devel

roslaunch completion for args