Fix NPE on Gerrit startup if mail.from doesn't include a name If for mail.from in the gerrit.config only an e-mail address but no name was set, Gerrit failed on startup with a NullPointerException. Bug: issue 961 Change-Id: Ie99a6c7ae42d77e408bc624408b2d13c8b5f9797 Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>