get api libs from bower

dashboard-ui/bower_components/hls.js/src/utils/hex.js

@@ -0,0 +1,16 @@
+class Hex {
+
+  static hexDump(array) {
+    var i, str = '';
+    for(i = 0; i < array.length; i++) {
+      var h = array[i].toString(16);
+      if (h.length < 2) {
+        h = '0' + h;
+      }
+      str += h;
+    }
+    return str;
+  }
+}
+
+export default Hex;