add init/upgrade to package.json

Author: lisong

bin/db

@@ -88,7 +88,7 @@ if (command === 'init') {
         }
         if (version_no == '0.2.15') {
             console.log('Everything up-to-date.');
-            process.exit(1);
+            process.exit(0);
         }
         var allSqlFile = [
             {version:'0.2.14', 'path':path.resolve(__dirname, '../sql/codepush-v0.2.14.sql')},

package.json

@@ -29,8 +29,10 @@
     "npm": ">= 3.10.8"
   },
   "scripts": {
-    "start": "node ./bin/www",
     "dev": "supervisor ./bin/www",
+    "start": "node ./bin/www",
+    "init": "node ./bin/db init",
+    "upgrade": "node ./bin/db upgrade",
     "test": "make test",
     "test-win": "mocha test/api/init test/api/users test/api/auth test/api/account test/api/accessKeys test/api/sessions test/api/apps test/api/index --recursive --timeout 15000",
     "coverage": "make coverage"