Add suffix in id of excursion set png + path
fix: add suffix in id of contrast_standard_error_map
fix: crypto:sha512 of contrast variance
Use alphanumerical id for contrast_variance (Ground truth only)
userSpecifiedThresholdType has range string
fix: ExcursionSet.nii.gz is filename of ExcursionSet
fix: add inCoordinateSpace attribute in varcope
Merge pull request #180 from cmaumet/fixFSLGroundTruth

A few fixes in FSL ground truth