Merge pull request #7 from FroboMind-SDU/master

Large pull request with a bunch of minor and major changes from SDU
Merge pull request #8 from FroboMind-SDU/master

Updates from SDU
sdu_frobit_remote_map: added Leon and Kjeld wiimote hw address to launch files
fmApp: Added sdu_weeding_trial_2013
Added pid trimmer gui to sdu_pichi
Added fmDoc folder with doxygen html documentation
Added doxygen generating script
Removed doxygen files
Updated Doxyfiles
Added dependency for doc Midtibys MarkerLocator
Updated .gitmodules
Removed indoor_tracker
Updated and tested sdu_frobit_tracker
Added button A callback to wii_interface
Merge remote-tracking branch 'upstream/master'
Added sdu_armadillo3_row_weeder remote application
Added nmea_to_navsat conversion package
Tested nmea_to_navsat converter
Testing pichi
Removed quantisation problem in wiimote interface and added test node