SERVER-9253 fixed init.d/mongod so that it does not sleep for 5 minutes unnecessarily.
            In some version of Linux, killproc() provided in /etc/init.d/functions has a bug
            where it will sleep the full duration of the delay (-d).

Closes #411

Signed-off-by: Benety Goh <benety@mongodb.com>
Merge remote-tracking branch 'upstream/master'