FAQ document for Compose

Signed-off-by: Daniel Nephin <dnephin@docker.com>

script/travis/render-bintray-config.py

@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+from __future__ import print_function
+
 import datetime
 import os.path
 import sys
@@ -6,4 +8,4 @@ import sys
 os.environ['DATE'] = str(datetime.date.today())
 
 for line in sys.stdin:
-    print os.path.expandvars(line),
+    print(os.path.expandvars(line), end='')