Updating track package description
Adding and using empty matrix object
Adding mergeTransformations() function
Moving readEddyCorrectTransformsForSession() to fsl.R
Adding general functions for coregistering data volumes
Using new functions
Allowing NiftyReg to be used in dpreproc stage 4
Switching reg method name from "flirt" to "fsl"
Deprecating the Tracker option everywhere it occurs