add ability to fetch recipes like in chef-solo when using local-mode

When using local-mode sometimes good to able to fetch recipes tarball,
like chef-solo.

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
@vtolstov you will know :) `shell_out!` logs output, check: https://gist.github.com/kwilczynski/114c8db2f493869d2b90
You can always play with `chef-shell` to test things, or drop `binding.pry` if you need to access internals.