With the permission of Romain Degez, CTO of Smartjog.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Tunnel endpoints are now automaticaly closed by default.

Added the type in the method signature in cc-common.

Moved to cc-common

Was using a closure for tag function thus storage variable was always
referencing the last value of the iteration.

hypervisor/__init__.py ->
    hypervisor/__init__.py (Handler)
    hypervisor/kvm.py (Hypervisor -> KVM)
    hypervisor/lib.py (Storage*/Volume)

This prevents client libvirt version 0.8.8 to segfault when reseting libvirt
event handlers.

sending events on removed domains or sending removed event too late.

Type is the same as returned by libvirt (for now).
One of dir, fs, netfs, logical, disk, iscsi, mpath, rbd.

Harmless renaming.