[kernel-xen] kernel-xen-3.8.8-1 and xen-4.2.1-7 released

[Steven Haigh]

Syncing these to the mirrors now.

Xen Changelog:
* Fri Apr 19 2013 Steven Haigh <netwiz at crc.id.au> - 4.2.1-7
- XSA-44 (CVE-2013-1917) - Xen PV DoS vulnerability with SYSENTER
- XSA-46 (CVE-2013-1919) - Several access permission issues with IRQs 
for unprivileged guests

Kernel-xen Changelog:
* Fri Apr 19 2013 Steven Haigh <netwiz at crc.id.au> - 3.8.8-1
- Update to kernel 3.8.8
- x86, mm, paravirt: Fix vmalloc_fault oops during lazy MMU updates
- Full Changelog:
     https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.8

I've also enabled deltarpms on the repos - meaning if you have 
yum-presto installed, you can update using the deltarpms to save 
bandwidth. Feedback welcome on these.

-- 
Steven Haigh

Email: netwiz at crc.id.au
Web: https://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299