GitLab

Implementeded parts:

 * client side slap.ComputerPartition.bang
 * server side reportComputerPartitionBang

This method triggers update of whole instance tree by using
requestUpdateComputerPartition.

Squashed commit of the following:

commit afaaaf6e76de96b70b9b1d3625cbc408024c280e
Merge: 6e3ed1e c2a1455e
Author: Łukasz Nowak <luke@nexedi.com>
Date:   Tue Oct 4 10:18:58 2011 +0200

    Merge branch 'master' into bang

    Conflicts:
    	master/bt5/vifib_base/bt/revision
    	master/product/Vifib/tests/testVifibSlapComputerPartitionUpdate.py

commit 6e3ed1ef90d4916b6d3bdfb29a97f78c950feb4b
Author: Łukasz Nowak <luke@nexedi.com>
Date:   Tue Oct 4 10:11:06 2011 +0200

    Check that message sent by bang is correctly stored.

commit 0774d6f5ed21ae47f44d4d405095247532df45b3
Author: Łukasz Nowak <luke@nexedi.com>
Date:   Tue Oct 4 09:59:41 2011 +0200

    Prove that bang in any part of tree updates the whole tree.

commit 2d9b44971d35ba33af6671c94d3ed1778d80beb4
Author: Łukasz Nowak...