updated js-yaml, esm, and marked

package.json

@@ -15,9 +15,11 @@
     "babel-polyfill": "^6.26.0",
     "d3": "^4.9.1",
     "es6-promise": "^4.1.1",
+    "esm": "^3.2.25",
     "joi": "^14.0.1",
+    "js-yaml": "^3.13.1",
     "leaflet": "^1.0.3",
-    "marked": "^0.6.0",
+    "marked": "^0.7.0",
     "normalizr": "^3.2.3",
     "object-hash": "^1.3.0",
     "ramda": "^0.26.1",