fixed bug: aligner failed if transform did not already exist
fixed bug: aligner failed if transform did not already exist

smerdis/pycortex,CVML/pycortex,gallantlab/pycortex,smerdis/pycortex,CVML/pycortex,gallantlab/pycortex,CVML/pycortex,smerdis/pycortex,smerdis/pycortex,gallantlab/pycortex,CVML/pycortex,CVML/pycortex,gallantlab/pycortex,gallantlab/pycortex,smerdis/pycortex