Add PkModeling extension

Initial release of an extension to perform pharmacokinetic modeling on
DCE MRI exams.
Updated icon size
Merge pull request #311 from millerjv/add-PkModeling

Add PkModeling extension
ENH: Updated SlicerRT: 0.10 pre-release. Added Deformation Field Visualizer module; Improved Patient Hierarchy and Contours modules (Contour node can be created from scratch). See more info at https://www.assembla.com/code/slicerrt/subversion/changesets/compare/733..777
Merge pull request #312 from SlicerRt/update-SlicerRT

ENH: Updated SlicerRT: 0.10 pre-release. Added Deformation Field Visuali...
ENH: Updated SlicerRT: 0.10.1. Added Deformation Field Visualizer module; Improved Patient Hierarchy and Contours modules (Contour node can be created from scratch). See more info at https://www.assembla.com/code/slicerrt/subversion/changesets/compare/733..792
Merge pull request #313 from SlicerRt/update-SlicerRT

ENH: Updated SlicerRT: 0.10.1. Added Deformation Field Visualizer module...
TAG: DTIAtlasBuilder v1.2
Add KSlice extension
interactive segmentation tool, accumulating user input,
runs in the background of editor similarly to growcut.
tested to run ubuntu 64bit and windows7-64bit vs2008sp1.
Merge pull request #315 from adrienkaiser/update-DTIAtlasBuilder

TAG: DTIAtlasBuilder v1.2
Merge pull request #316 from pkarasev3/add-KSlice

Add KSlice extension
COMP: Fix windows compilation error (unresolved external symbols)
Merge pull request #317 from lchauvin/update-PathPlanner

COMP: Fix windows compilation error (unresolved external symbols)
Remove VolumeResliceDriver extension -- it has been moved to SlicerIGT module.
Merge pull request #318 from tokjun/remove-VolumeResliceDriver

Remove VolumeResliceDriver extension
ENH: Add new names/folder handling + COMP: fix BatchMake compilation
Merge pull request #319 from adrienkaiser/update-DTIAtlasBuilder

ENH: Add new names/folder handling + COMP: fix BatchMake compilation
Adds the interactive PDF Segmenter, and more.
Merge pull request #320 from chrismullins/update-TubeTK

Adds the interactive PDF Segmenter, and more.
BUG: fix Testing with python on linux and pop ups on mac/win