Merge topic 'SIMPLEITK-430_PrintIterpolatorsAsStrings'

12e44d02 Adding test of Interpoaltor enum output operator
655431da Adding SWIG guarder to InterpolatorEnum output operator
a325d1d2 Adding output operator of Interpolator Enum
8b935b2c Adding death test for deleting and active command
7d52b81e Terminate program is deleting command during an active process
b3f2bd8c add check to ProcessObject::GetProgress after execution is 1.0
486581ab Improve potential error cases in the process object.
ddc10d5b Fixing destroyed counts in Command_Ownership test
8662c93d COMP: fix shadow declaration warning of cmd in test
1a23b08f BUG: only call RemoveProcessObject once from the process object
5d3e995e BUG: test using deleted variable, caused segfault
fe1d1bb2 Adding test for the ProcessOwnership feature in Command class
6820415a BUG: increment iterator in HasCommand method
7be3398c BUG: Allow google "TEST" macro's case and name to be surround by space
62ae34d2 Adding nothrow exception specifier to method for clarity
b23d24ac DOC: fixing doxygen comment grouping in ProcessObject
...
Merge topic 'SIMPLEITK-454_AddEventCallbacks'

9fb0e16c Merge branch 'SIMPLEITK-430_PrintIterpolatorsAsStrings' into SIMPLEITK-454_AddEventCallbacks
6ffed308 adding overloaded output operator for EventEnum
Merge topic 'SIMPLEITK-456_TransformContinuousIndex'

8f0504f7 Adding testing of continuous transform methods
b2491039 Remove un-used and wrong operator== in tests
634ab896 ENH: Adding methods to Image to transfer to and from Continuous index
db28311a DOC: Adding missing doxygen grouping in Image documentation
Merge topic 'SIMPLEITK-468_AddOutputOperatorKernelEnum'

2bc36e3d Merge topic 'SIMPLEITK-454_AddEventCallbacks' into SIMPLEITK-468_AddOutputOperatorKernelEnum
74b036d1 ENH: Adding output operator for KernelEnum type
Merge branch 'master' into next

Change-Id: If3576cb7e14a08681c54a4a24382c6bef1c8ca5f