FIX: Correct the failing SegmentUsingOtsuThreshold.cxx tests;

     The failing tests were caused by a switch to the
     itk::OtsuThresholdImageFilter and missing explicit
     settings for inside/outside values as well as a
     wrong usage of the masking setting.
Merge remote-tracking branch 'upstream/master' into SegmentUsingOtsuThreshold-Fix
FIX: Baseline fix for ComputeBinaryImageSimiliarityMetrics.

     TextCompare was failing because of a minor textual change
     in the output of ComputeBinaryImageSimilarityMetrics.
Merge pull request #77 from rkwitt/SegmentUsingOtsuThreshold-Fix

Test Fixes for SegmentUsingOtsuThreshold and CompareBinaryImageSimilarityMetrics