Update tiny-lr dependency to 1.x

Fixes #530 and also addresses https://snyk.io/vuln/npm:ms:20170412
because `tiny-lr@1` has eliminated its former `body-parser` dependency.

Author: mattcollier

package.json

@@ -19,7 +19,7 @@
     "async": "^1.5.0",
     "gaze": "^1.1.0",
     "lodash": "^4.0.0",
-    "tiny-lr": "^0.2.1"
+    "tiny-lr": "^1.0.4"
   },
   "devDependencies": {
     "grunt": "^0.4.5",