[master] 793d67a Helpful pointers for future contributors

[Lasse Karstensen]

commit 793d67ad00916ab55d089e932673a8000dffb62a
Author: Lasse Karstensen <lkarsten at varnish-software.com>
Date:   Mon Mar 17 13:06:36 2014 +0100

    Helpful pointers for future contributors
    
    Mostly an attempt at pointing people that send pull requests on Github
    in the right direction.

diff --git a/CONTRIBUTING b/CONTRIBUTING
new file mode 100644
index 0000000..cfccc09
--- /dev/null
+++ b/CONTRIBUTING
@@ -0,0 +1,15 @@
+Contributing to Varnish Cache
+=============================
+
+Varnish Cache is developed with Git hosted on our own infrastructure.
+
+Official development tree is here:
+
+    git://git.varnish-cache.org/varnish-cache
+
+Patches can be sent to varnish-dev at varnish-cache.org.
+
+There is a READ-ONLY git-mirror on Github.  Please do not send contributions
+there, we need them by email to -dev@ for now.
+
+