Fix the executable issue (YousefED#296)

The compiled file `typescript-json-schema-cli.js` moved to `/dist/` now.

Author: YuJianrong

bin/typescript-json-schema

@@ -1,3 +1,3 @@
 #!/usr/bin/env node
-var app = require('../typescript-json-schema-cli.js');
+var app = require('../dist/typescript-json-schema-cli.js');
 app.run();