Upgrade version number to 3.1.3

Author: barijaona

CHANGES

@@ -8,6 +8,13 @@ most recent build should be at the top of this file.
 
 Thanks!
 
+3.1.3
+-----
+- Fix some crashes
+- Fix empty article list displayed by some feeds
+- Prevent unwanted updates of user interface while refreshing Open Reader feeds
+- E-mailing a link now occurs in foreground
+
 3.1.2
 -----
 - More crash fixes

notes.html

@@ -107,13 +107,13 @@
 
 <h1 id="toc_0">Version Notes</h1>
 
-<h2 id="toc_1">3.1.2</h2>
+<h2 id="toc_1">3.1.3</h2>
 
 <ul>
-<li>More crash fixes</li>
-<li>Fix Vienna forgetting current folder/feed after termination and relaunch</li>
-<li>Restore mechanism required by some plugins, especially &ldquo;Add to Safari reading list&rdquo; </li>
-<li>Conversion to modern Ojective-C</li>
+<li>Fix some crashes</li>
+<li>Fix empty article list displayed by some feeds</li>
+<li>Prevent unwanted updates of user interface while refreshing Open Reader feeds</li>
+<li>E-mailing a link now occurs in foreground</li>
 </ul>