Added launch file for joystick teleop.
Added package.xml and CMakeLists.txt
Created carl_bringup package.
Created launch files for robot model, sensors, segway, and minimal bringup.
Added launch file for viewing the robot model.
Fixed missing EOF new lines
Merge pull request #10 from Spkordell/develop

Created pachage for carl_bringup, metapackage for carl_bot, and a bunch of launch files.