ENH: Update DTIProcess from revision 214 to revision 222.  Builds with V...

...TK6 and has a new icon.

r222: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=222
ENH: Change "homepage" and icon for DTIProcess built as a Slicer extension

r221: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=221
ENH: Update VTK6 build to match more closely the way it is done in Slicer, setting a string to choose the version of VTK instead of using a boolean.

r220: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=220
ENH: Updated Superbuild and DTIProcess can build against VTK6

r219: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=219
COMP: remove obsolete boost command line processing code

r218: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=218
COMP: backward compat to vtk5

r217: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=217
COMP: vtk6 changes

r216: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=216
COMP: made changes to be compatible with VTK 6

r215: http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dtiprocess&revision=215
ENH: Removed install rules that were duplicated in the Applications directory