* start converting to back sensor
* merge conflicts
* wall following should work
Merge branch 'master' into engine_circle
* tune parameters
* merge conflicts
* merge conflicts
* fix compiler errors
* wall following works
* try sweeping
* move with sweeping
* wall following with sweeping works
* pause sweeping
* remove printlns
* stop sweeping, when wall just found
* bigger curve radius
* try to fix crash avoiding strategy
Merge branch 'master' into engine_circle