Update install.rst
Update install.rst
amandersillinois/landlab,RondaStrauch/landlab,Carralex/landlab,cmshobe/landlab,landlab/landlab,landlab/landlab,RondaStrauch/landlab,Carralex/landlab,csherwood-usgs/landlab,ManuSchmi88/landlab,ManuSchmi88/landlab,laijingtao/landlab,amandersillinois/landlab,cmshobe/landlab,csherwood-usgs/landlab,SiccarPoint/landlab,laijingtao/landlab,landlab/landlab,RondaStrauch/landlab,cmshobe/landlab,ManuSchmi88/landlab,decvalts/landlab,SiccarPoint/landlab,Carralex/landlab,decvalts/landlab