Fix maven repo access again.

ci/jipconf_subst.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+from __future__ import print_function
+from os import path
+import sys
+
+home=sys.argv[1]
+dist=sys.argv[2]
+with open(path.join(home, '.jip'), "w") as out:
+    print("""[repos:local]
+uri={0}/.m2/repository/
+type=local
+
+[repos:central]
+uri=http://repo1.maven.org/maven2/
+type=remote
+""".format(dist), file=out)