[qemu] (30 commits) ...Merge branch 'f17'

[bonzini]

Summary of changes:

  1e4ec79... Fix default accelerator for non-KVM builds (rhbz #724814) (*)
  58c34c6... Merge branch 'master' into f16 (*)
  20374e9... Merge branch 'master' into f16 (*)
  8b8e0f3... Merge branch 'master' into f16 (*)
  292d6df... Enable DTrace tracing backend for SystemTAP (rhbz #737763) (*)
  7d651b6... Enable build with curl (rhbz #737006) (*)
  cb9bff3... Fix typo in BR (*)
  a2bc394... - Add BR libattr-devel.  This caused the -fstype option to  (*)
  f057293... Fix packaging of the QEMU guest agent (*)
  307d808... Add BR on ceph-devel to enable RBD block device (*)
  2a5d721... - Require seabios-bin >= 0.6.0-2 (#741992) - Replace init s (*)
  d5ae025... Fix POSTIN scriplet failure (#748281) (*)
  45e28a1... Enable fedora-13 machine type (to be removed in F17) (*)
  9890a7a... Add vhost-net to kvm.modules (*)
  6f9d9cf... Fux usb passthrough, floppy support (*)
  828c7ca... remove unnecessary virio-net from kvm.modules (*)
  e458971... Add many more missing BRs for misc QEMU features & enable t (*)
  ed047fd... Merge remote-tracking branch 'origin/master' into f17 (*)
  3bd490d... Move udev rules to /lib/udev/rules.d (rhbz #748207) (*)
  52a7a6e... Fix readonly 9p filesystems by removing O_NOATIME flag (*)
  4b95237... Switch to use iPXE for netboot ROMs (*)
  5c86ae9... Fix build of x86_only RPMs (*)
  18956f2... Some more USB bugfixes from upstream (*)
  18e520a... join f15 and f16 histories (*)
  4548120... join f16 and f17 histories (*)
  ffa1ccd... re-enable PPC and SPARC usermode (*)
  a96ffe8... update qemu.binfmt from upstream (*)
  78e14de... bump release to 12 (*)
  07beaa0... join f17 and rawhide histories
  c7f7fc0... Merge branch 'f17'

(*) This commit already existed in another branch; no separate mail sent