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