donate: Update icons

donate/static/donate/assets/css/icons.css

 @font-face {
   font-family: 'icomoon';
-  src:  url('../../icons/icomoon.eot?692jc3');
-  src:  url('../../icons/icomoon.eot?692jc3#iefix') format('embedded-opentype'),
-    url('../../icons/icomoon.ttf?692jc3') format('truetype'),
-    url('../../icons/icomoon.woff?692jc3') format('woff'),
-    url('../../icons/icomoon.svg?692jc3#icomoon') format('svg');
+  src:  url('../../icons/icomoon.eot?qfo5nx');
+  src:  url('../../icons/icomoon.eot?qfo5nx#iefix') format('embedded-opentype'),
+    url('../../icons/icomoon.ttf?qfo5nx') format('truetype'),
+    url('../../icons/icomoon.woff?qfo5nx') format('woff'),
+    url('../../icons/icomoon.svg?qfo5nx#icomoon') format('svg');
   font-weight: normal;
   font-style: normal;
   font-display: block;
@@ -28,6 +28,24 @@ i {
 .icon-heart:before {
   content: "\f004";
 }
+.icon-linkedin:before {
+  content: "\f08c";
+}
+.icon-twitter:before {
+  content: "\f099";
+}
+.icon-youtube:before {
+  content: "\f167";
+}
+.icon-instagram:before {
+  content: "\f16d";
+}
+.icon-flickr:before {
+  content: "\f16e";
+}
+.icon-facebook-f:before {
+  content: "\f39e";
+}
 .icon-check:before {
   content: "\f00c";
 }
@@ -43,15 +61,3 @@ i {
 .icon-calendar:before {
   content: "\f133";
 }
-.icon-linkedin:before {
-  content: "\f08c";
-}
-.icon-twitter:before {
-  content: "\f099";
-}
-.icon-instagram:before {
-  content: "\f16d";
-}
-.icon-facebook-f:before {
-  content: "\f39e";
-}