Changes to 'io_timeout5'

[David Teigland]

New branch 'io_timeout5' available with the following commits:
commit 05445ab440bd84139803e7454eefc8463f825e27
Author: David Teigland <teigland(a)redhat.com&gt;
Date:   Mon Jul 23 08:58:57 2012 -0500

    sanlock: adjustable io timeouts
    
    New sanlock_add_lockspace_timeout() api to allow
    the timeout to be specified per lockspace.
    
    Also correctly handle nodes that may be using
    different timeouts in the same lockspace.
    
    Signed-off-by: David Teigland <teigland(a)redhat.com&gt;