Add deps/2, include ?COMPILE_OPTS
Don't remove deps directory
Add mad_compile test-suite
Rename container to repos
Rename clone to fetch
Cwd is bound before
Test mad_compile:deps/2
Test erl_files/1 app_src_files/1 is_app_src/1 app_src_to_app/1 erl_to_beam/2 is_compiled/2