[PATCH setup] Update README

[Ronald Ramos]

commit 3863a3650acc481e62ee34bcc2bd836c301baaaf
Author: Ronald Ramos <ronjoe223@gmail.com>
Date:   Sun Jul 31 07:14:42 2016 -0400

     * README: Included git download URI. Also updated patch-submission 
instructions to refer to online manual.

diff --git a/README b/README
index 2582c05..c394e02 100644
--- a/README
+++ b/README
@@ -28,6 +28,10 @@ to make changes to the build system.

  Build commands:

+0) If building from git, obtain this project's code:
+   $ git clone git://sourceware.org/git/cygwin-apps/setup.git
+   $ cd setup
+
  1) Configure using this option
     $ /path/to/setup/bootstrap.sh
     This will automatically rebuild configure files and run configure
@@ -59,12 +63,14 @@ as a guide.

  SUBMITTING A PATCH:
  -------------------
-As per cygwin1.dll and many GNU projects:
+Follow the general directions given in the Cygwin contributions document:
+
+   https://cygwin.com/contrib.html
+
+The appropriate mailing list for this project is cygwin-apps
+(rather than cygwin-patches). Thus, the appropriate final command would be:

-No changelog in the patch itself.
-Attach the changelog to the email.
-Use, at a minimum "diff -uN" when constructing diffs for submission.
-As much as possible please provide only one goal per patch.
+   $ git send-email --to="cygwin-patches@cygwin.com"


  WISHLIST: