Merge pull request #9 from ncloudioj/master

Fix '--tag-result' to handle the no tags specified case
Merge pull request #10 from ncloudioj/master

Run rule_init_function before --process_result
last_run update
settings.py: remove the unused max_workers.
retry flag added and daemon update.

This is a squash of a couple of commits ported from the inferno hg repo.
Merge pull request #11 from pooya/develop

retry flag added and daemon update.
avoid using the deprecated import location for Params
Merge pull request #12 from pooya/develop

avoid using the deprecated import location for Params
Clean up email notification message