customizable scrolling speed

src/main/webapp/js/controllers.js

@@ -785,10 +785,11 @@ module.controller('FeedListCtrl', [
 							return;
 						} else {
 							var scrollTop = elemTop - $('#toolbar').outerHeight();
+							var speed = SettingsService.settings.scrollSpeed;
 							watch_scrolling = false;
 							$('html, body').animate({
 								scrollTop : scrollTop
-							}, 400, 'swing', function() {
+							}, speed, 'swing', function() {
 								watch_scrolling = true;
 							});
 						}

src/main/webapp/templates/settings.html

@@ -55,6 +55,11 @@
 						</div>
 					</div>
 					<div class="tab-pane" ng-class="{active: tab == 'css'}">
+						<div>
+							<label>${settings.scroll_speed}</label>
+							<input type="number" ng-model="settings.scrollSpeed" min="0" max="1000" />
+							<span class="help-inline">${settings.scroll_speed.help}</span>
+						</div>
 						<div>
 							<label>${settings.theme}</label>
 							<select ng-model="settings.theme" ng-options="theme for theme in themes"></select>