BUG: fix initialization of the image geometry
BUG: fix initialization of the image geometry

Rows/columns were reversed in the PM create(). DICOM number of rows is the second
dimension of an ITK image, DICOM number of columns is the first dimension.

QIICR/dcmqi,QIICR/dcmqi,QIICR/dcmqi,QIICR/dcmqi,QIICR/dcmqi