Build: Add CI release scripts

Author: nzakas

package.json

@@ -12,10 +12,7 @@
   "engines": {
     "node": ">=0.10.0"
   },
-  "repository": {
-    "type": "git",
-    "url": "http://github.com/eslint/espree.git"
-  },
+  "repository": "eslint/espree",
   "bugs": {
     "url": "http://github.com/eslint/espree.git"
   },
@@ -29,7 +26,7 @@
     "chai": "^1.10.0",
     "eslint": "^2.0.0-beta.1",
     "eslint-config-eslint": "^3.0.0",
-    "eslint-release": "^0.6.4",
+    "eslint-release": "^0.9.2",
     "esprima": "latest",
     "esprima-fb": "^8001.2001.0-dev-harmony-fb",
     "istanbul": "~0.2.6",
@@ -55,6 +52,7 @@
     "lint": "node Makefile.js lint",
     "release": "eslint-release",
     "ci-release": "eslint-ci-release",
+    "gh-release": "eslint-gh-release",
     "alpharelease": "eslint-prelease alpha",
     "betarelease": "eslint-prelease beta",
     "browserify": "node Makefile.js browserify"