Added tue_nav_core

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@8505 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Adapted to tue_costmap_2d

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@8632 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
tue_costmap_2d now has own namespace; tue_astar_planner first copies map before planning

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@8657 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Added header file search in CMakeLists for Qt Creator

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@17266 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Forgot to add header file

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@17620 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Forgot to add src dir

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@17621 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Should not have added these files; reverted

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/code/tue-ros-pkg/trunk/tue_navigation/tue_nav_core@17624 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
Merge branch 'master' of https://github.com/tue-robotics-lab/tue_nav_core