more doc cleanup
more doc cleanup

dfolch/pysal,spreg-git/pysal,lixun910/pysal,lanselin/pysal,jlaura/pysal,pastephens/pysal,badjr/pysal,schmidtc/pysal,ljwolf/pysal,pastephens/pysal,ljwolf/pysal_core,sjsrey/pysal_core,hasecbinusr/pysal,pedrovma/pysal,jlaura/pysal,sjsrey/pysal,pastephens/pysal,darribas/pysal,darribas/pysal,schmidtc/pysal,jlaura/pysal,chhao91/pysal,nathania/pysal,hasecbinusr/pysal,TaylorOshan/pysal,hasecbinusr/pysal,ljwolf/pysal,ljwolf/pysal_core,badjr/pysal,lixun910/pysal,weikang9009/pysal,TaylorOshan/pysal,chhao91/pysal,ljwolf/pysal_core,TaylorOshan/pysal,sjsrey/pysal_core,ljwolf/pysal,lixun910/pysal,pysal/pysal,sjsrey/pysal_core,dfolch/pysal,nathania/pysal,spreg-git/pysal