Apply Phil's develop modifications from #502

Author: alecbcs

outputs/dev.sh

@@ -22,10 +22,8 @@ example dev/setup-scr 'spack config add "packages:all:variants: ~fortran"'
 example dev/setup-scr "spack add macsio+scr"
 example dev/setup-scr "spack install"
 
-example dev/develop-1 "spack develop [email protected]"
-example dev/develop-1 "grep -3 develop: spack.yaml"
-
-example dev/develop-conc "spack concretize -f"
+example dev/develop-1 "spack develop scr"
+example dev/develop-1 "spack config blame develop"
 
 example dev/develop-2 "spack install"