added removeDesc plugin

plugins/removeDesc.js

@@ -0,0 +1,22 @@
+'use strict';
+
+exports.type = 'perItem';
+
+exports.active = false;
+
+/**
+ * Remove <desc>.
+ * Disabled by default cause it may be used for accessibility.
+ *
+ * https://developer.mozilla.org/en-US/docs/Web/SVG/Element/desc
+ *
+ * @param {Object} item current iteration item
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Daniel Wabyick
+ */
+exports.fn = function(item) {
+
+    return !item.isElem('desc');
+
+};