Removed matlab scripts into a separate respository and commited pre-vacation changes to pladypos stuff.
Merging branch master+usbl_comms into pladypos_impl.
Merge branch 'usbl_comms' into pladypos_bts2013
Adaptations on sight on 25.09.2013. Addition to the navigation node and USBL layout.
Added configuration to the USBL kalman filter.
USBL filter corrections and logger setup.
Added variance drawing for vehicles in google earth. Added voltage and current displays for the pladypos vehicle in the CaddyGUI.
Merge branch 'pladypos_bts2013', remote-tracking branch 'origin' into usbl_comms
Added the attitude sensor acquisition to the USBL.