Update default value of COMPREHENSIVE_THEME_DIR and DEFAULT_SITE_THEME
Update default value of COMPREHENSIVE_THEME_DIR and DEFAULT_SITE_THEME

jorgeomarmh/configuration,Livit/Livit.Learn.EdX.configuration,gsehub/configuration,open-craft/configuration,appsembler/configuration,michaelsteiner19/open-edx-configuration,Stanford-Online/configuration,michaelsteiner19/open-edx-configuration,appsembler/configuration,edx/configuration,arbrandes/edx-configuration,EDUlib/configuration,EDUlib/configuration,stvstnfrd/configuration,gsehub/configuration,hks-epod/configuration,gsehub/configuration,Livit/Livit.Learn.EdX.configuration,nunpa/configuration,jorgeomarmh/configuration,armaan/edx-configuration,armaan/edx-configuration,rue89-tech/configuration,hks-epod/configuration,arbrandes/edx-configuration,proversity-org/configuration,rue89-tech/configuration,hastexo/edx-configuration,gsehub/configuration,openfun/configuration,mitodl/configuration,rue89-tech/configuration,Stanford-Online/configuration,hks-epod/configuration,marcore/configuration,rue89-tech/configuration,stvstnfrd/configuration,open-craft/configuration,pobrejuanito/configuration,hastexo/edx-configuration,EDUlib/configuration,michaelsteiner19/open-edx-configuration,mitodl/configuration,gsehub/configuration,hastexo/edx-configuration,nunpa/configuration,Stanford-Online/configuration,EDUlib/configuration,openfun/configuration,armaan/edx-configuration,edx/configuration,nunpa/configuration,appsembler/configuration,openfun/configuration,stvstnfrd/configuration,mitodl/configuration,arbrandes/edx-configuration,stvstnfrd/configuration,rue89-tech/configuration,appsembler/configuration,hks-epod/configuration,jorgeomarmh/configuration,pobrejuanito/configuration,openfun/configuration,hks-epod/configuration,Stanford-Online/configuration,edx/configuration,proversity-org/configuration,proversity-org/configuration,Stanford-Online/configuration,arbrandes/edx-configuration,EDUlib/configuration,open-craft/configuration,edx/configuration,nunpa/configuration,jorgeomarmh/configuration,Livit/Livit.Learn.EdX.configuration,pobrejuanito/configuration,michaelsteiner19/open-edx-configuration,mitodl/configuration,armaan/edx-configuration,pobrejuanito/configuration,Livit/Livit.Learn.EdX.configuration,arbrandes/edx-configuration,stvstnfrd/configuration,proversity-org/configuration,marcore/configuration,hastexo/edx-configuration,marcore/configuration,marcore/configuration,hastexo/edx-configuration,proversity-org/configuration,open-craft/configuration