Merge pull request #4 from nilsbore/hydro-devel

Merging master branch to hydro-devel.
Update README.md
Merge pull request #7 from nilsbore/hydro-devel

[strands_movebase] Decreased the cost_scaling_factor
Merge pull request #8 from strands-project/master

merge master into new default branch hydro-devel. Compiling fine on my machine and installs targets in the right places.
updated changelogs
0.0.6
Fixed typos in launch files
Merge remote-tracking branch 'upstream/hydro-devel' into strands_description
Merge pull request #9 from nilsbore/strands_description

[strands_movebase] Add launch parameters to change obstacle thresholds