update deps

dbsearch, string, underscore, validator

package.json

@@ -35,7 +35,7 @@
     "mkdirp": "~0.5.0",
     "morgan": "^1.3.2",
     "nconf": "~0.6.7",
-    "nodebb-plugin-dbsearch": "0.0.13",
+    "nodebb-plugin-dbsearch": "0.0.14",
     "nodebb-plugin-markdown": "~0.6.3",
     "nodebb-plugin-mentions": "~0.6.0",
     "nodebb-plugin-soundpack-default": "~0.1.1",
@@ -55,11 +55,11 @@
     "socket.io": "^0.9.17",
     "socket.io-client": "^0.9.17",
     "socket.io-wildcard": "~0.1.1",
-    "string": "^1.9.1",
+    "string": "^2.1.0",
     "templates.js": "0.1.0",
     "uglify-js": "git+https://github.com/julianlam/UglifyJS2.git",
-    "underscore": "~1.6.0",
-    "validator": "~3.16.1",
+    "underscore": "~1.7.0",
+    "validator": "~3.19.1",
     "winston": "^0.8.0",
     "xregexp": "~2.0.0"
   },