Synchonise some utilities.h changes - i.e. add vector definitions and an enum
compile using the MinGW branch of Qt
place generated executables into the current directory in the first instance (put them in $HOME/bin when they are installed)
in apply_rotation, display argument count on error.
Break out of the loop on file errors.
Close input/output files before ending program.
Build apply_rotation by default.
Add function prototypes to Makefile.
decrease verbosity by removing debug messages
Add a missing '\' to Makefile
Add function to normalise vectors
Also use absolute values to eigenvector comparisons
Update pca-pcl for new version of point cloud library (need to call makeShared on the point cloud)
In rotn_comp.c, normalise vectors before taking their cross product