fix bug with order of names, fix bug with streamline length,
the weighted/unweighted fa/md is estimated based on visitation maps
dgraph compatible with tractor v2.4.1
added insula and banks of superior temporal sulcus to the freesurfer aparc parcellation
Files to process streamlines and to produce a graph object have been added.
correct the extraction of the number of voxels that are next to white matter
	modified:   share/experiments/dgraph.R
	modified:   share/experiments/track2graph.R
	new file:   share/experiments/trackWithMask.R
Updating dgraph expt to use up-to-date registration functions
Updating graph method calls