Merge branch 'FixConversionWarningInTestsFromImageAlgorithm' into release

Change-Id: I5fe67cebd80e81893790fddf2a8d739a83215cdd
Merge topic 'SIMPLEITK-453_EnableCXX11WithoutTR1'

dc679e69 Rename util to nsstd in install directory source path
e844b2c1 Renames util namespace to nsstd
c815acfd ENH: refactor cxx11/tr1 feature detection, features in util namespace
48166aa5 ENH: rename static_assert cmake variable, move test to common cxx file
d4505c51 Separate TR1/CXX11 checks into separate CMake file
Merge topic 'SIMPLEITK-462_CommandClassAsSWIGDelegate'

8c1ccfa9 Adding Ruby progress command callback example and test
9c1c9b25 Removing unused md5 comparison
4a89891e Adding CSharp example for filter events to report progress
57bcefbf Adding CSharp FilterProgressReport example
ff574d0d Fixing CXX Progress example to match python.
25609124 ENH: enabling delegate option for SWIG in Python
Merge topic 'AddValleyEmphasisOptionToMultiOtsu'

7507cf52 Adding Valley Emphaiss option to multi-otsu
Merge topic 'SIMPLEITK-463_AddPyCommandSupportForCommands'

61a04e2d Adding test for PyCommand and lambdas
2c51d365 BUG: wrap sitkPyCommand after parent
dbe20243 DOC: adding comment to PyCommand on public methods
acf44b92 ENH: adding initial python process object test
a26bff0b BUG: Making HashImageFilter derived form ProcessObject
4fc57a32 Adding PyCommand to be used with any python callable
5ee17471 Removing unused md5 comparison
Merge topic 'SIMPLEITK-467_UpdateITKSuperbuildTowards4.5.1'

d9793b44 Updating ITK superbuild towards ITK 4.5.1
Merge topic 'SIMPLEITK-431_AddMorphologyKernelEnum'

ee4cf9dc Using macro to define Poly-line structuring elements
Merge branch 'release'

Change-Id: Ie030d7e057395b7e997bb7a688ccc5580397bdc6
Merge branch 'master' into next

Change-Id: If8af3408f41e811c05d44c50dfe20c733c706ddd