Merge branch 'release-1.1' into 'master'

Release 1.1: Add paragraph about reproducible builds

See merge request !20

news/2018-briar-1.1-released.html

@@ -97,6 +97,16 @@
           that help to provide access to the Tor network when it's blocked.
         </p>
 
+        <p>
+          Today's release is the first major release to use a
+          <a href="https://blog.grobox.de/2018/building-briar-reproducible-and-why-it-matters/" target="_blank" rel="noopener noreferrer">reproducible build process</a>,
+          which means it's possible to prove that the release was built from
+          the published source code, with no backdoors or other hidden changes.
+          The Briar Project encourages people to verify this independently,
+          and has published <a href="https://code.briarproject.org/briar/briar-reproducer" target="_blank" rel="noopener noreferrer">tools</a>
+          to make the verification as easy as possible.
+        </p>
+
         <p>
           Work on the next big release is already under way.
           Among other things,