Update version and changelog for 0.11.0-rc2 release

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

Changelog

+version 0.11.0-rc2
+  - mips: fix conditional move off fp conditions codes (Nath Froyd)
+  - fix migration to obey -S (Paolo Bonzini)
+  - remove pc-0-10 machine type (Mark McLoughlin)
+  - vnc: fix copyrect screen corruption (Gerd Hoffman)
+  - fix vm state change handlers running order (Markus Armbruster)
+  - e1000: fix eerc and ics emulation (Bill Paul)
+  - fix sdl zooming with pl110 (Blue Swirl)
+  - sparc64: flush pending conditional evaluations (Igor Kovalenko)
+  - esp: fix interrupt register read (Blue Swirl)
+  - option rom makefile fixes (Paul Brook)
+  - fix sparse warnings (Blue Swirl)
+  - fix symfind (Laurent Desnogues)
+  - win32: fix default prefix (Stefan Weil)
+  - fix checksum writing in signboot (Alex Graf)
+  - fix sdl window resize (Stefano Stabellini)
+  - do not resize the screen on hw_invalidate (Stefano Stabellini)
+  - Add checks for -smbios option (Beth Kon)
+  - fix do_set_link (Luiz Capitulino)
+  - fix do_commit behavior (Luiz Capitulino)
+  - make windows notice media change (Gleb Natapov)
+  - check for PR_SET_NAME being defined (Nathan Froyd)
+  - fix migration for ide devices (Anthony Liguori)
+  - Use correct depth in vmware vga (Reimar Doffiner)
+  - support 32bpp cursors in sdl (Reimar Doffinger)
+  - fix device name completion for eject (Blue Swirl)
+  - make screendump use DisplayState properly (Stefano Stabellini)
+  - fix autostart with live migration (Avi Kivity)
+  - fix detached migration with exec (Chris Lalancette)
+  - fix segv when changing vnc password in sdl (Zach Amsden)
+  - fix vnc password clearing with stdio monitor (Zach Amsden)
+  - clean up VGA type selection (Zach Amsden)
+  - add missing linefeed in error message (Stefan Weil)
+	
 version 0.11.0-rc1
   - add machine aliasing support (Mark McLoughlin)
   - add getfd/closefd monitor commands (Mark McLoughlin)

VERSION

-0.10.91
+0.10.92