adding test for  EquivalentSphericalRadius measurement

Change-Id: Ic5eaf1445573e18fc0065352562d4bd2e9067543
Run JSON through python doc filter

This cleans up some missing commas and added some documentation from
the LabelImageToShapeLabelObject filter.

Change-Id: Ib76c95c5f799c13c11383a1e9f005f016c5379aa
Merge topic 'SIMPLEITK-516_AddLabelShapeStatisticsImageFilter' into next

6eea622a Run JSON through python doc filter
e27cbb37 adding test for  EquivalentSphericalRadius measurement
COMP: Fix CSharp warnings about unused variable in generated tests

Move variables only used if writing out image to inside conditional on
no_return to remove warning about unused variables.

Change-Id: I1faf3919a3ad81e0856dc46166fd8eefbf66cbca
Merge topic 'SIMPLEITK-490_Uset1functionForLabelStatisticsImageFilter' into next

0f4c912b COMP: Fix CSharp warnings about unused variable in generated tests