Update package.json for npm publish

Author: Matthew Rourke

package.json

@@ -2,24 +2,30 @@
   "name": "grunt-purifycss",
   "description": "Clean unnecessary CSS",
   "version": "0.1.0",
-  "homepage": "https://github.com/purifycss/grunt-purify-css",
+  "homepage": "https://github.com/purifycss/grunt-purifycss",
   "author": {
     "name": "Phoebe Li, Matthew Rourke, Kenny Tran"
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/purifycss/grunt-purify-css.git"
+    "url": "https://github.com/purifycss/grunt-purifycss.git"
   },
   "bugs": {
-    "url": "https://github.com/purifycss/grunt-purify-css/issues"
+    "url": "https://github.com/purifycss/grunt-purifycss/issues"
   },
   "licenses": [
     {
       "type": "MIT",
-      "url": "https://github.com/purifycss/grunt-purify-css/blob/master/LICENSE-MIT"
+      "url": "https://github.com/purifycss/grunt-purifycss/blob/master/LICENSE-MIT"
     }
   ],
-  "engines": {
+  "files": [
+    "tasks",
+    "package.json",
+    "README.md",
+    "LICENSE-MIT"
+  ],
+    "engines": {
     "node": ">= 0.8.0"
   },
   "scripts": {
@@ -28,14 +34,17 @@
   "devDependencies": {
     "grunt-contrib-jshint": "^0.9.2",
     "grunt-contrib-clean": "^0.5.0",
-    "grunt-contrib-nodeunit": "^0.3.3",
     "grunt": "~0.4.5"
   },
   "peerDependencies": {
     "grunt": "~0.4.5"
   },
   "keywords": [
-    "gruntplugin"
+    "gruntplugin",
+    "purify",
+    "css",
+    "purifycss",
+    "remove"
   ],
   "dependencies": {
     "glob": "^5.0.10",