- Update Xen patches to 3.0-rc5 and c/s 1095.
- xen: prepare tmem shim to handle frontswap.
- support booting Xen from EFI (fate#311376, fate#311529,
bnc#578927, bnc#628554).
- config.conf: Re-enabled Xen flavors.
- Update x86 config files.
- Delete patches.xen/xen-blkback-bimodal-suse.