Merge branch 'hotfix-1.2.2' into develop
Merge branch 'develop' of github.com:mcvaneede/RMINC into develop
* added some missing functions to the RMINC NAMESPACE
* This is not a real release, but adding in the forgotten export of some minc functions (mincTtest, mincCorrelation, mincPairedTtest, mincWilcoxon)
Merge branch 'release-1.2.3'