Fixes for weights_viewer, now works in Linux and Windows without flicker.
Fixes for weights_viewer, now works in Linux and Windows without flicker.


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