Merge pull request #18 from BFALacerda/hydro-devel

say correct sentence after help fail
updated changelogs
0.0.6
Made the head turn the other way and not at all if no head_obstacle_cloud in sources
Added output if no head camera
Fixed bug
stop waiting for mary as it might block the whole state machine
stop using max recover attempts for nav as it always output to topological nav anyway
Merge pull request #21 from nilsbore/backtrack

[backtrack_behaviour] Don't backtrack if no head camera, smaller pan
proper warning message
adding force clear costmap state;
all nav recovery states put in the same file
making sure bumper monitor does not try to restart motors after finding a barrier
bug fix on clear costmaps recovery
Return success if backtrack moves at all
Forgot to change the speed of going back to 0 as well
making sure states preempt
Merge pull request #22 from nilsbore/backtrack

[backtrack_behaviour] Return true if moved a bit
Merge branch 'hydro-devel' of https://github.com/strands-project/strands_recovery_behaviours into hydro-devel
reducing time waited before clearing the costmaps
magnetic strip monitor and recovery
just asks to call a robot handler and puts a message on screen
to restart the navigation there needss to be an explicit service call to /reset_barrier_stop done by one of us