tweaks to travis
tweaks to travis

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