Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20140308-1' into staging
migration/next for 20140308
# gpg: Signature made Sat 08 Mar 2014 21:26:01 GMT using RSA key ID 5872D723
# gpg: Can't check signature: public key not found
* remotes/juanquintela/tags/migration/20140308-1:
migration: extend section_start/end traces
vl: add system_wakeup_request tracepoint
qemu_file: Fix mismerge of "use fwrite() correctly"
XBZRLE: Fix qemu crash when resize the xbzrle cache
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>