imshow bug for irregular grids
imshow bug for irregular grids

This had broken; now fixed.

Carralex/landlab,cmshobe/landlab,amandersillinois/landlab,landlab/landlab,Carralex/landlab,laijingtao/landlab,amandersillinois/landlab,SiccarPoint/landlab,landlab/landlab,laijingtao/landlab,csherwood-usgs/landlab,RondaStrauch/landlab,RondaStrauch/landlab,ManuSchmi88/landlab,csherwood-usgs/landlab,SiccarPoint/landlab,RondaStrauch/landlab,cmshobe/landlab,ManuSchmi88/landlab,cmshobe/landlab,landlab/landlab,Carralex/landlab,ManuSchmi88/landlab