STYLE: Use regular expressions for Style namespace false positives.

itk.* are in the itk::tube namespace.

There are various .*\.cxx exceptions, but a .cxx file will have a .h
file anyway.

qSlicer.* and UI.h are Qt files without a namespace.

Change-Id: I1c51cb41102d2e15f99a865e25c3104bfa9b4320
COMP: Add find_package(Boost) to root CMakeLists.txt file
ADD: ComputeRegionSignatures added to TubeTKModules
ADD: ComputeRegionSignatures source.
ENH: Adjusted README.md
ENH: Incorporated Jamie's review comments.
ADD: IPython notebook with a tutorial (mostly the same as ex1.py).
ENH: README.md adjustments.
Update README.md

ENH: Added instructions on how to run the IPython notebook.
ENH: Typo fix.
Update README.md

Removed whitespaces at the end of README.md
Merge pull request #56 from rkwitt/rk-pyrpca-ipython-notebook

Merge pull-request, since functionality did not change - only documtatation.
BUG: Propagates LIBSVM, JsonCpp, and Boost for dashboards
Merge pull request #54 from jamiesnape/AddFindBoost

COMP: Add find_package(Boost) to root CMakeLists.txt file
Merge pull request #53 from thewtex/KWStyleConfig

STYLE: Use regular expressions for Style namespace false positives.
Merge pull request #49 from rkwitt/ComnputeRegionSignatures

ENH: Compute region signatures