add repo to package.json

Author: developit

package.json

@@ -16,7 +16,7 @@
     "test": "npm run -s lint && npm run -s build && npm run -s test:build",
     "release": "npm run -s prepare && npm test && git commit -am $npm_package_version && git tag $npm_package_version && git push && git push --tags && npm publish"
   },
-  "repo": "developit/microbundle",
+  "repository": "developit/microbundle",
   "eslintConfig": {
     "extends": "eslint-config-developit"
   },