added validation to exercise creation page

node_modules/date-utils/package.json

@@ -0,0 +1,55 @@
+{
+  "name": "date-utils",
+  "description": "Date add-ons for Node.js",
+  "version": "1.2.12",
+  "keywords": [
+    "date",
+    "utils",
+    "date-utils",
+    "time"
+  ],
+  "author": {
+    "name": "Jerry Sievert",
+    "email": "code@legitimatesounding.com",
+    "url": "http://legitimatesounding.com/blog/"
+  },
+  "homepage": "http://github.com/JerrySievert/node-date-utils/",
+  "contributors": [
+    {
+      "name": "Jerry Sievert",
+      "url": "http://legitimatesounding.com"
+    }
+  ],
+  "license": [
+    "MIT"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/JerrySievert/node-date-utils.git"
+  },
+  "bugs": {
+    "url": "http://github.com/JerrySievert/node-date-utils/issues"
+  },
+  "directories": {
+    "lib": "./lib",
+    "test": "./test"
+  },
+  "devDependencies": {
+    "vows": ">0.4.0"
+  },
+  "scripts": {
+    "test": "vows --spec"
+  },
+  "engines": {
+    "node": ">0.4.0"
+  },
+  "main": "./lib/date-utils",
+  "_id": "date-utils@1.2.12",
+  "dependencies": {},
+  "optionalDependencies": {},
+  "_engineSupported": true,
+  "_npmVersion": "1.1.21",
+  "_nodeVersion": "v0.6.18",
+  "_defaultsLoaded": true,
+  "_from": "date-utils"
+}