chore(package): update dependencies

https://greenkeeper.io/

package.json

@@ -16,23 +16,23 @@
   },
   "main": "lib/mongoosastic.js",
   "dependencies": {
-    "elasticsearch": "12.1.0",
+    "elasticsearch": "12.1.3",
     "lodash.clonedeep": "4.5.0"
   },
   "devDependencies": {
-    "async": "2.1.2",
+    "async": "2.1.4",
     "changelog": "^1.0.7",
     "co-mocha": "^1.1.3",
     "coveralls": "2.11.15",
-    "eslint": "3.10.2",
+    "eslint": "3.12.2",
     "eslint-config-standard": "6.2.1",
     "eslint-plugin-promise": "3.4.0",
     "eslint-plugin-standard": "2.0.1",
     "istanbul": "0.4.5",
-    "mocha": "3.1.2",
-    "mongoose": "4.6.8",
-    "should": "11.1.1",
-    "standard": "8.5.0"
+    "mocha": "3.2.0",
+    "mongoose": "4.7.6",
+    "should": "11.1.2",
+    "standard": "8.6.0"
   },
   "engines": {
     "node": ">= 4.0"