Update README.md
Resolved conflict in README
added changelogs
added install targets
unified all version numbers in repo
0.0.5
Decreased the cost_scaling_factor, making the robot stay away from walls if possible. This made navigation more robust on Rosie, particularly through doors
Merge remote-tracking branch 'upstream/master' into hydro-devel
Added launch file options for changing the obstacle and stair heights to enable to tune the robustness
Fixed typos in launch files