update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Widgetize/stylesheets/widgetize.less

@@ -1,11 +1,15 @@
 .widgetize {
     width: 100%;
-    padding: 15px 15px 0 15px;
     font-size: 13px;
-}
 
-.widgetize p {
-    padding: 0 0 20px 0;
+  .top_controls {
+    padding-bottom: 16px;
+    margin-top: 16px;
+  }
+
+  #widgetPreview {
+    margin-top: 16px;
+  }
 }
 
 .widgetize .formEmbedCode {
@@ -17,7 +21,7 @@
 }
 
 .widgetize label {
-    color: #666666;
+    color: @theme-color-text-lighter;
     line-height: 18px;
     margin-right: 5px;
     font-weight: bold;
@@ -28,4 +32,8 @@
 #embedThisWidgetFlash,
 #embedThisWidgetEverywhere {
     margin-top: 5px;
-}
+}
+
+body>.widget {
+  margin: 10px 7px;
+}