Update sandbox base AMIs.
Update sandbox base AMIs.

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