add opt-in githook to config

.gitignore

@@ -5,3 +5,5 @@
 lodash.compat.min.js
 coverage
 node_modules
+.opt-in
+.opt-out

package.json

@@ -15,11 +15,13 @@
     "dojo": "^1.11.0",
     "ecstatic": "^1.4.0",
     "fs-extra": "~0.26.7",
+    "ghooks": "1.0.3",
     "glob": "^7.0.3",
     "istanbul": "0.4.2",
     "jquery": "^2.2.2",
     "jscs": "^2.11.0",
     "lodash": "4.5.0",
+    "opt-cli": "1.1.1",
     "platform": "^1.3.1",
     "qunit-extras": "^1.5.0",
     "qunitjs": "~1.22.0",
@@ -46,6 +48,12 @@
     "style:test": "jscs test/*.js test/**/*.js",
     "test": "npm run test:main && npm run test:fp",
     "test:fp": "node test/test-fp",
-    "test:main": "node test/test"
+    "test:main": "node test/test",
+    "validate": "npm run style & npm run test"
+  },
+  "config": {
+    "ghooks": {
+      "pre-push": "opt --in pre-push --exec \"npm run validate\""
+    }
   }
 }