dependency bump, lock in prettier version to avoid CI issues

Author: nfriedly

package-lock.json

@@ -78,7 +78,7 @@
     "mocha": "^3.4.2",
     "nock": "^9.0.14",
     "object.assign": "^4.0.4",
-    "prettier": "^1.5.3",
+    "prettier": "1.5.3",
     "shebang-loader": "0.0.1",
     "uglify-js": "^3.0.26",
     "watchify": "^3.7.0",
@@ -92,8 +92,8 @@
     "csv-stringify": "~1.0.2",
     "extend": "~3.0.0",
     "isstream": "~0.1.2",
-    "object.omit": "~2.0.0",
-    "object.pick": "~1.2.0",
+    "object.omit": "~3.0.0",
+    "object.pick": "~1.3.0",
     "request": "~2.81.0",
     "solr-client": "^0.7.0",
     "string": "3.3.3",