contrasts: if no output, print contrasts

M	cvManovaTest/cvManovaTest.m

M	cvManovaTest/cvManovaTest_model.m
M	cvManovaTest/cvManovaTest_preprocess.m

checkpoints now also include p (number of voxels per searchlight)

final touches for release

version of 2015-4-7

version of 2014-2-18