Ugly fix to synchronize deamon
Qemu is now a server as another
Register pci with xen + handle config space ioreq
Rename function + type in xen-all
Revert "Ugly fix to synchronize deamon"

This reverts commit 5132ab84a9a9c9f34a841816c2a865ee1c712033.
* QEMU is now more cooperative with Xen
* Add option xen-daemonid to handle multiple daemon with Xen
Add is_running boolean to know if QEMU is in initialization mode or not
Check if we have already populate the ram block
Add memory debug
Retrieve the new IO shared pages
xen_register_pcidev it's now more generic
* Fix bug in xen_register_pcidev
* Open xenstore each time instead of use xenstore variable
* Check range with xenstore
Add debug message to specify that we have finish to initialize QEMU
Fix compilation
* Refactoring ioport.c
* Check if we register multiple times the same ioport
Add xen function in xen-stubs
Add inline function to retrieve io page and buffered io page for more compatibility
Fix indentation for running
Fix norme in ioport.c and exec.c
Fix tab in ioport.c