Cleaned up docstrings for landlab_ca.py
Cleaned up docstrings for landlab_ca.py

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