Created package for carl navigation.
Merge pull request #1 from WPI-RAIL/develop

cleanup and misc. edits
Fixed included launch file path
Fixed frame for laser scan data
Removed asus for now
Fixed config file paths
Added rviz configuration.
Parameter modifications.
Added transform to base_footprint
Fixed dimensions of move base footprint
Joy teleop only publishes cmd_vel when deadman switch is pressed.
Added ability to cancel navigation planning with the controller
Fixed base_footprint tf
amcl parameter changes
Merge branch 'develop' of https://github.com/Spkordell/carl_bot into develop
Reversed angular commands
Parameter changes
Added visual odometry and efk node to launch.
Using openni2 for asus
Created odom covarience converter.