STYLE: Use regular expressions for Style namespace false positives.
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

aylward/ITKTubeTK,thewtex/TubeTK,sumedhasingla/TubeTK,LucasGandel/TubeTK,matthieuheitz/TubeTK,cdeepakroy/TubeTK,KitwareMedical/TubeTK,aylward/ITKTubeTK,cdeepakroy/TubeTK,KitwareMedical/TubeTK,KitwareMedical/ITKTubeTK,matthieuheitz/TubeTK,sumedhasingla/TubeTK,aylward/ITKTubeTK,LucasGandel/TubeTK,thewtex/TubeTK,cdeepakroy/TubeTK,LucasGandel/TubeTK,sumedhasingla/TubeTK,LucasGandel/TubeTK,KitwareMedical/ITKTubeTK,KitwareMedical/TubeTK,thewtex/TubeTK,KitwareMedical/TubeTK,KitwareMedical/ITKTubeTK,matthieuheitz/TubeTK,sumedhasingla/TubeTK,thewtex/TubeTK,KitwareMedical/ITKTubeTK,matthieuheitz/TubeTK,cdeepakroy/TubeTK,aylward/ITKTubeTK