added gfa estimation
Merge branch 'master' of github.com:Garyfallidis/isbi2013
Merge branch 'master' of github.com:Garyfallidis/isbi2013
Merge branch 'master' of github.com:Garyfallidis/isbi2013
Merge branch 'master' of github.com:Garyfallidis/isbi2013
tested and debuged odf_deconv