[Swan-commit] Changes to ref refs/heads/master

[Antony Antony]

New commits:
commit b49d80e4d4e3422d7cb9dca35d63b0adf63e2d52
Author: Antony Antony <antony at phenome.org>
Date:   Thu Feb 19 15:44:31 2015 -0600

    pluto: free callback kernel event only if it is not null