Externalize migration settings.
Externalize migration settings.

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ow/configuration,xiangjf/configuration,jorgeomarmh/configuration,xiangjf/configuration,knehez/configuration,Carlos2005/configuration,nunpa/configuration,kursitet/configuration,joshhu/configuration,edx/configuration,edx/configuration,kursitet/configuration,proversity-org/configuration,hastexo/edx-configuration,chudaol/configuration,joshhu/configuration,hastexo/edx-configuration-old,cyanna/configuration,negritobomb/edxplat,apigee/edx-configuration,pedrorib/istx,AlfiyaZi/configuration,leansoft/configuration,gsehub/configuration,CredoReference/configuration,rue89-tech/configuration,open-craft/configuration,appsembler/configuration,kencung/configuration,cecep-edu/configuration,proversity-org/configuration,louyihua/configuration,apigee/edx-configuration,chudaol/configuration,stvstnfrd/configuration,hmcmooc/ec2-edx-configuration,arbrandes/edx-configuration,xiangjf/configuration,yrchen/configuration,negritobomb/edxplat,bugcy013/edx_infra,IONISx/edx-configuration,zhengjunwei/configuration,jp-bpl/configuration,bugcy013/edx_infra,Pieros/configuration,proversity-org/configuration,xiangjf/configuration,zhengjunwei/configuration,cecep-edu/configuration,armaan/edx-configuration,kencung/configuration,UXE/edx-configuration,arifsetiawan/configuration,Unow/configuration,cyanna/configuration,gashac03/ubuntu,stvstnfrd/configuration,michaelsteiner19/open-edx-configuration,pobrejuanito/configuration,omarkhan/configuration,LearnEra/LearnEra-Configuration,usernamenumber/configuration,B-MOOC/configuration,joshhu/configuration,CredoReference/configuration,pobrejuanito/configuration,nttks/configuration,jp-bpl/configuration,hastexo/edx-configuration,pobrejuanito/configuration,apigee/edx-configuration,hmcmooc/ec2-edx-configuration,hks-epod/configuration,gsehub/configuration,antoviaque/configuration,openfun/configuration,gsehub/configuration