Added xproto method for debugging jinja templates

Change-Id: I2e53b8be5cb54d86ae0ebb0bb600539468e246bc
diff --git a/lib/xos-genx/xosgenx/jinja2_extensions/base.py b/lib/xos-genx/xosgenx/jinja2_extensions/base.py
index df57858..029f6eb 100644
--- a/lib/xos-genx/xosgenx/jinja2_extensions/base.py
+++ b/lib/xos-genx/xosgenx/jinja2_extensions/base.py
@@ -6,6 +6,10 @@
     def __init__(self, message):
         super(FieldNotFound, self).__init__(message)
 
+def xproto_debug(**kwargs):
+    print kwargs
+    pdb.set_trace()
+
 def xproto_unquote(s):
     return unquote(s)