Fix build errors in MSVC2013 (& conflicting usb.h file)
suitesparse sync
PTG: Increased temporal resolution of trajectories

May solve the problem of inacurate detection of obstacle-free distances
with high velocities.
PTG: getCPointWhen_d_Is() safer (conservative) points returned now
Removed -mtune GCC flag (only used for x86/amd64)
Fix mem alignment in TPoint3Df (may affect ARM?)
Reactive PTGs: adaptative n_max
Merge remote-tracking branch 'upstream/master'