Added target attribute support. Ignite Object now supports setProperties. Added null check for props. Fixed some documentation wording.

ignite-html.js

@@ -402,6 +402,23 @@ class IgniteObject {
         });
     }
 
+    /**
+     * Sets the values of properties on this ignite object.
+     * @param {Object|IgniteObject} props The properties to set onto this ignite object. 
+     */
+    setProperties(props) {
+        if (props == null || props == undefined) {
+            return;
+        }
+
+        if (props instanceof IgniteObject) {
+            props.update();
+            Object.getOwnPropertyNames(props).forEach(name => this[name] = props[name]);
+        } else {
+            Object.keys(props).forEach(name => this[name] = props[name]);
+        }
+    }
+
     /**
      * Creates an IgniteObject or Array of IgniteObjects and returns it.
      * @param {Object|Array} obj The object to create an IgniteObject from.