Add a config item for debuginfo

We need this as a config object so that we can use it later when
making repodata.

src/pypungi/config.py

@@ -42,4 +42,5 @@ class Config(SafeConfigParser):
         self.set('default', 'bugurl', 'http://bugzilla.redhat.com')
         self.set('default', 'discs', '1')
         self.set('default', 'cdsize', '650.0')
+        self.set('default', 'debuginfo', "True")