Update version for 0.10.3 release

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

Changelog

+version 0.10.3:
+  - fix AIO cancellations (Avi Kivity)
+  - fix live migration error path on incoming
+  - avoid SEGV on pci hotplug failure (Chris Wright)
+  - fix serial option in -drive
+  - support DDIM for option roms (Glauber Costa)
+  - avoid fork/exec on pre-2.6.27 kernels with KVM (Jan Kiszka)
+  - block-vpc: don't silently create smaller images than requested (Kevin Wolf)
+  - Fix non-ACPI timer interrupt routing (Beth Kon)
+  - hpet: fix emulation of HPET_TN_SETVAL (Jan Kiszka)
+  - kvm: fix cpuid initialization (Jan Kiszka)
+  - qcow2: fix corruption on little endian hosts (Kevin Wolf)
+  - avoid leaing memory on hot unplug (Mark McLoughlin)
+  - fix savevm/migration after hot unplug (Mark McLoughlin)
+  - Fix keyboard mapping on newer Xords with non-default keymaps (balrog)
+  - Make PCI config status register read-only (Anthony Liguori)
+  - Fix crash on resolution change -> screen dump -> vga redraw (Avi Kivity)
+
 version 0.10.2:
 
   - fix savevm/loadvm (Anthony Liguori)

VERSION

-0.10.2
+0.10.3