Added footer to web interface

code/html/custom.css

@@ -8,6 +8,19 @@
 .panel  {
     display: none;
 }
+.footer {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    padding: 10px;
+    font-size: 80%;
+    color: #999;
+}
+#menu .footer a {
+    text-decoration: none;
+    padding: 0px;
+}
 .content {
     margin: 0px;
 }

code/html/index.html

@@ -117,6 +117,14 @@
                         <button class="pure-button button-reset">Reset</button>
                     </div>
 
+                    <div class="footer">
+                        &copy; 2016-2017<br />
+                        Xose Pérez<br/>
+                        <a href="http://tinkerman.cat" target="_blank">http://tinkerman.cat</a><br/>
+                        <a href="https://bitbucket.org/xoseperez/espurna" target="_blank">ESPurna @ Bitbucket</a><br/>
+                        GPLv3 license<br/>
+                    </div>
+
                 </div>
             </div>