sample_seen_test: debugging the 4 cases (driving over is a work in progress)
merging with master (to get file changes regarding pause service)
Fixing merge for drive_over code
in progress: putting together driving behaviors in grab
Moved goal detection out of sample_seen_test
Put together the pieces for reorient_robot
debugging the grab call
getting rid of check_tf function 

check_tf was an intermediate tf printing function; no longer needed in challenge_bot.py
Merge pull request #13 from eschneider1992/feature/state_machine

Feature/state machine