update .gitignore
update .gitignore

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