Merge pull request #1 from adrienkaiser/master

ENH: Add computation & plot with matlab of other measures  + give DWI/outputFolder & no brainmask option as cmd line args
Merge pull request #2 from adrienkaiser/master

ENH: Adding --UseFullBrainMaskForTracto and Downsampling options
Merge pull request #3 from adrienkaiser/master

ENH: Accept .nrrd input and Add cmd line args
Merge remote branch 'origin/master'
ENH: Concatenate the array elements in the command line array before printing them. This makes debugging easier by allowing to directly copy/paste the command line that the python script used
ENH: DTI is skullstipped if a brain mask is computed. This avoid  tracking fibers outside of the brain if the image is noisy
Merge branches 'concatenatePrintCommandLine' and 'master'
Merge branches 'maskBrain' and 'master'
Merge branches 'master' and 'concatenatePrintCommandLine' into concatenatePrintCommandLine
BUG: fiberprocess was called differently from the other commands. When printing the commandline, the components were not concatenated
Merge branches 'concatenatePrintCommandLine' and 'master'
BUG: Tractography options were changed back to normal values (they had been modified to use this script on "fiber-cup"
Merge branches 'tractographyOptions' and 'master'
ENH: Addition of tractography options in the python script arguments
Merge branches 'TryTactOptions' and 'master'