Update AMIs for Django 1.11
Update AMIs for Django 1.11

hks-epod/configuration,Stanford-Online/configuration,stvstnfrd/configuration,hks-epod/configuration,gsehub/configuration,rue89-tech/configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,rue89-tech/configuration,mitodl/configuration,rue89-tech/configuration,appsembler/configuration,hks-epod/configuration,hks-epod/configuration,Stanford-Online/configuration,stvstnfrd/configuration,EDUlib/configuration,hks-epod/configuration,mitodl/configuration,mitodl/configuration,rue89-tech/configuration,gsehub/configuration,gsehub/configuration,stvstnfrd/configuration,EDUlib/configuration,edx/configuration,stvstnfrd/configuration,Stanford-Online/configuration,gsehub/configuration,appsembler/configuration,EDUlib/configuration,edx/configuration,appsembler/configuration,mitodl/configuration,appsembler/configuration,arbrandes/edx-configuration,EDUlib/configuration,gsehub/configuration,rue89-tech/configuration,EDUlib/configuration,edx/configuration,Stanford-Online/configuration,Stanford-Online/configuration,edx/configuration,arbrandes/edx-configuration,stvstnfrd/configuration,arbrandes/edx-configuration