Merge pull request #98 from BFALacerda/hydro-devel

configuration of monitor and recovery states at startup and at runtime
Merge topological_navigation and topological_map_manager packages.

Added the EstimateTravelTime service to provide a clean way of getting travel times of the topological map.
Added travel_time_estimator to standard launch file.
Moved Vertex and Edge into strands_navigation_msgs.

Basic test for travel_time_tester passes.
Added launch file for test, and test passing locally.
Removed topological_utils dependency.
Merge pull request #99 from hawesie/hydro-devel

Added travel time estimation service and refactored packages.
Merge pull request #100 from BFALacerda/hydro-devel

code cleaning
moving joy map saver here
Adding licences and bug fix
bug fix
Added dummy script to stand in for topological navigation when missing a robot or proper simulation.

Useful for testing.
Added launch file for dummy topological navigation and install targets.
adding install targets renaming executables
Merge pull request #101 from Jailander/hydro-devel

 moving joy map saver here
adding joystick creation of topological map
adding install targets
Merge pull request #103 from hawesie/hydro-devel

Added dummy topological navigation system
Merge branch 'hydro-devel' of https://github.com/strands-project/strands_navigation into hydro-devel

Conflicts:
	topological_utils/CMakeLists.txt
Merge pull request #102 from Jailander/hydro-devel

Adding joystick creation of topological map