Create navigation metapackage from stack
Remove generated directories from gitignore

These move to the devel space under catkin
also add vim sw? files.
Map server builds and tests pass
AMCL builds

Most tests pass, all test run.
Voxel grid builds and tests
costmap_2d builds and tests

Test emits 2 errors but passes anyway?
base_local_planner builds and passes tests
nav_core builds, useable by base_local_planner
carrot_planner builds
clear_costmap_recovery builds
dwa_local_planner builds
fake_localization builds
move_base_msgs builds
move_slow_and_clear builds
navfn builds and tests
robot_pose_ekf builds and tests

the zero_covariance tests emits many error messages, but the
test reports passing
rotate_recovery builds
move_base builds
Fix pluginlib deprecation warnings
Remove spurious xml tags