Added info about depraction of RhodeCode 1.7.X

rhodecode/templates/base/base.html

@@ -7,6 +7,10 b''
     <div id="header-inner" class="title">
         <div id="logo">
             <h1><a href="${h.url('home')}">${c.rhodecode_name}</a></h1>
+            <div style="color: #fff; padding: 0px 14px">
+                Attention: deprecated version! Upgrade now to
+                <a style="text-decoration: underline" href="https://rhodecode.com/enterprise">RhodeCode 2.0.0</a> (called RhodeCode Enterprise).
+            </div>
         </div>
         <!-- MENU -->
         ${self.page_nav()}