Merge branch 'master' into release-v3.19.1

package.json

@@ -31,7 +31,7 @@
   ],
   "dependencies": {
     "async": "2.1.2",
-    "browserify": "13.1.0",
+    "browserify": "13.1.1",
     "closure-util": "1.15.1",
     "derequire": "2.0.3",
     "fs-extra": "0.30.0",
@@ -39,7 +39,7 @@
     "handlebars": "4.0.5",
     "jsdoc": "3.4.2",
     "marked": "0.3.6",
-    "metalsmith": "2.2.0",
+    "metalsmith": "2.2.1",
     "metalsmith-layouts": "1.6.5",
     "nomnom": "1.8.1",
     "pbf": "3.0.2",