Use the correct title for the jar versions page

A typo in f89ec30 caused the currently
logged in account name to be used as the title for the versions page,
and caused the current account to be displayed at the top of the page.

Thanks to @Peeja for the report.

Author: tobias

src/clojars/web/jar.clj

@@ -168,7 +168,7 @@
                 ]])))
 
 (defn show-versions [account jar versions]
-  (html-doc account (str "all versions of "(jar-name jar)) {:account account}
+  (html-doc (str "all versions of "(jar-name jar)) {:account account}
             [:div.light-article
              [:h1 "all versions of "(jar-link jar)]
              [:div.versions