Graphite pusher bugfix

Previously the first forbidden key would disqualify all other keys in
that stat.

src/greplin/scales/graphite.py

@@ -84,7 +84,7 @@ def push(self, statsDict=None, prefix=None, path=None):
             value = None
             logging.exception('Error when calling stat function for graphite push')
         if self._forbidden(subpath, value):
-          break
+          continue
         else:
           if type(value) in [int, long, float] and len(name) < 500:
             self.graphite.log(prefix + self._sanitize(name), value)