contributing.rst: Split off "Git Resources" section; add new article.

I've been linking people to the "submitting patches via email" section
when I really wanted them to look at the Git resources.  Seems like
good enough reason to split it up.

Also, reference a nice article from the Linux Journal.

1 files changed, 13 insertions, 2 deletions

diff --git a/source/libmaple/contributing.rst b/source/libmaple/contributing.rst
index debee6b..aeaeacb 100644
--- a/source/libmaple/contributing.rst
+++ b/source/libmaple/contributing.rst
@@ -103,8 +103,13 @@ the following information in your email:
 4. A sign-off line certifying your `developer certificate of origin
    <http://elinux.org/Developer_Certificate_Of_Origin>`_ [#fcert]_.
 
-That said, we'd really prefer a pull request.  If you'd like to learn
-more about Git, we recommend the following resources:
+.. _libmaple-git-resources:
+
+Git Resources
+-------------
+
+If you'd like to learn more about Git, we recommend the following
+resources:
 
 * `The Git Community Book <http://book.git-scm.com/index.html>`_: A
   collaboratively edited book on Git.
@@ -112,6 +117,12 @@ more about Git, we recommend the following resources:
 * `Pro Git <http://progit.org/book/>`_: despite its title, this is a
   fairly beginner-friendly source of information.
 
+* `Git - Revision Control Perfected (Linux Journal)
+  <http://www.linuxjournal.com/content/git-revision-control-perfected>`_:
+  Despite a title that makes it sound like it was written by a
+  marketing department, this is a very good introductory article on
+  basic Git concepts, and a solid primer on Git's internals.
+
 * `Understanding Git Conceptually
   <http://www.eecs.harvard.edu/~cduan/technical/git/>`_: a good,
   introductory tutorial on Git's fundamental concepts.