BUG: Keep ITK as a dependency for ImageViewer and ParameterSerializer
ENH: Change defaults to build more of TubeTK
Merge pull request #215 from aylward/DependOnITK

Depend on itk and Have more build options default to ON so that more of TubeTK is build by default
ENH: Disable Qt-based options for travis.  BUG: Fix CMakeLists.txt names
BUG: Turn off KWStyle on Travis builds
BUG: KWStyle now turned off
ENH: Using mark_as_advanced to limit vars in cmake gui
BUG: Initial cache was forcing KWStyle if dir existed.
BUG: TubeTK_USE_KWSTYLE and other vars not passed through superbuild
Merge pull request #216 from aylward/CMakeAndTravisOptions

ENH: Disable Qt-based options for travis.  BUG: Fix CMakeLists.txt names