more details on the about page

src/main/webapp/templates/feeds.help.html

@@ -22,6 +22,8 @@
 				<p>
 					${about.line2_prefix} <a href="https://github.com/Athou/commafeed/issues" target="_blank">GitHub</a> ${about.line2_suffix}
 				</p>
+				
+				<h3>${toolbar.donate}</h3>
 				<p>
 					${about.line3}
 				</p>
@@ -33,6 +35,24 @@
 					<img alt="" border="0" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1">
 				</form>
 				
+				<h3>${about.goodies}</h3>
+				<p>
+					<a href="https://chrome.google.com/webstore/detail/commafeed/bpbfpjiciblcfeganojjkfapnllbhdga" target="_blank">Chrome extension</a>
+				</p>
+				<p>
+					<a href="https://addons.mozilla.org/en-US/firefox/addon/commafeed/" target="_blank">Firefox extension</a>
+				</p>
+				
+				<h3>${about.translation}</h3>
+				<p>
+					${about.translation.message}
+				</p>
+				<p>
+					<a href="https://github.com/Athou/commafeed#translate-commafeed-into-your-language" target="_blank">
+						${about.translation.link}
+					</a>
+				</p>
+				
 			</div>
 			<div class="tab-pane" id="api">
 				<h3>${about.rest_api}</h3>