added missing __init__.py to compose branch

services/__init__.py

+import os
+import json
+from flask import make_response
+
+
+def root_dir():
+    """ Returns root director for this project """
+    return os.path.dirname(os.path.realpath(__file__ + '/..'))
+
+
+def nice_json(arg):
+    response = make_response(json.dumps(arg, sort_keys = True, indent=4))
+    response.headers['Content-type'] = "application/json"
+    return response
\ No newline at end of file