Merge topic 'SIMPLEITK-348_PythonThreading'

63dc1d3 Removing dead code from numpy test
932491e Merge branch 'SIMPLEITK-349_RemoveGitHashFromNighlties' into SIMPLEITK-348_PythonThreading
e9ce728 Enable Python threading by unlocking the GIL
Merge topic 'SIMPLEITK-350_Include_stdint_VS9'

7c5adf5 Include C99 directory when no stdint.h header it found.
394320b Importing C99 int header
d432f9c Rearrange CMakeLists for including C99 stdint
70616fa Adding missing quotes around @s, and numpy not required
21005ee BUG: missing dependency of dist.Python on actual python library
Merge topic 'SIMPLEITK-351_RefactorExternalSWIG'

8708bbb Changing download URLS from SourceForge to Midas.
2c6fb74 Remove unused FFT superbuild logic branch
538bcd1 Extracting PCRE external project into separate file
959f585 Moving dependency graph to end, to print all
95e092c Incorporating changes from Slicer and improve style
Merge branch 'master' into next

Change-Id: I1e787fb2985a1e071fb94952c722f5085129acfa