ENH: Update DTIAtlasFiberAnalyzer from r130 to r131

ENH: Remove unecessary includes in the CMakeLists files to shorten the compilation command lines which were creating issues when being compiled as an extension
http://www.nitrc.org/plugins/scmsvn/viewcvs.php?view=rev&root=dti_tract_stat&revision=131
Merge pull request #595 from fbudin69500/update-DTIAtlasFiberAnalyzer

ENH: Update DTIAtlasFiberAnalyzer from r130 to r131
Update TCIA Browser
Merge pull request #596 from mehrtash/update-TCIABrowser

Update TCIA Browser
Settings improvments
Merge pull request #598 from MokaCreativeLLC/update-XNATSlicer

Settings improvements
COMP: Re-organize module directories

Built-in scripted module are now organized like the extension. One
folder
per module.

Also, the url of homepage is modified to the extension's page.
Merge pull request #599 from lpfang/update-GyroGuide

COMP: Re-organize module directories