Making Arrow less thick
adding scripts to topological utils
adding topological map publisher and adapting localisation node to use it
Merge branch 'hydro-devel' of https://github.com/Jailander/strands_navigation into hydro-devel

Conflicts:
	topological_map_manager/src/topological_map_manager/policies.py
Topological navigation now uses topological map publisher
republishing map when modified
Adapting Interactive Markers on Topological Map Manager to use the topological Map Publisher
and bug fixes.

*WARNING: Still requires a lot of testing*
Bug fix
Adding add Node controller
bug fix
adding comment
Merge branch 'hydro-devel' of https://github.com/strands-project/strands_navigation into hydro-devel

Conflicts:
	topological_navigation/scripts/localisation.py
	topological_navigation/scripts/navigation.py
Merge pull request #75 from Jailander/hydro-devel

adding topological map publisher and adapting localisation node