Merge pull request #88 from reem-utils/cris_branch

Delete face_detection_fake
this nav_to_coord it permit you to send a goal and don't have to wait for the result.
follow_me_1rst part, whit update concurrence
Merge pull request #89 from reem-utils/roger_branch

Roger branch
Merge branch 'master' of https://github.com/reem-utils/robocup2014 into cris_branch
Documentation of navigation_states