Adding initial version of wrapping for BinShrink filter

Change-Id: Ie5b400b9f69884a4e5ce27526053ba0db1da0b33
Adding more tests

Change-Id: I3041289835903d183142680fbbd47718ad587fa0
Merge branch 'SIMPLEITK-432_UpdateToITK4.5' into SIMPLEITK-434_AddBinShrink

Change-Id: I0ff8e8b7b8eff14407723484f911f84f81fe4508
Merge topic 'SIMPLEITK-434_AddBinShrink'

7759f56 Merge branch 'SIMPLEITK-432_UpdateToITK4.5' into SIMPLEITK-434_AddBinShrink
bcf57ce Adding more tests
784e26a Adding initial version of wrapping for BinShrink filter