Add "AUTOGENERATED FILE" comments to top of generated files
Add "AUTOGENERATED FILE" comments to top of generated files

- Have compile.sh add "AUTOGENERATED FILE" comments to the top of .c
and .h files in classes/ and support/, and to generated makefile fragments

- Add some extra quoting to compile.sh

cmusatyalab/minirpc,cmusatyalab/minirpc