.gitignore file added
Optimized ardrone drive launch file. Documentation should be updated.
The ardrone launch file now accepts an optional IP address from command line
All absolute topic pathes are converted to relative (fixes bug with namespaces)
Simple check added for non-PS3 joystick compatibility (fixes crash on those devices)
Merged changes from upstream
Merge pull request #6 from mani-monaj/master

Fixed some minor bugs