navigation: initial commit

This commit includes all navigation packages except robot_pose_ekf.
The robot_pose_ekf requires bfl, which we could not provide yet.

recipes-ros/navigation/voxel-grid_1.11.4.bb

+DESCRIPTION = "voxel_grid provides an implementation of an efficient 3D voxel grid."
+SECTION = "devel"
+LICENSE = "BSD"
+LIC_FILES_CHKSUM = "file://package.xml;beginline=12;endline=12;md5=01c2bc31767ccb3a68e12f02612b2a97"
+
+DEPENDS = "roscpp"
+
+require navigation.inc
+
+SRC_URI += "file://0001-check-for-CATKIN_ENABLE_TESTING.patch;striplevel=2"