Set the channel for this release
qemu: Apply patch for CVE-2014-0150, CVE-2014-2894

(cherry picked from commit 39faed1f2f1b0bbb767785d916712790e78fcb5b)
apr: Update to 1.5.1

(cherry picked from commit 17336efdd8fcfdb830429683684e167d6443bd11)
Fix EC2 creation script for latest nixops

(cherry picked from commit 361eb3a5f50aba4ecfe08bf37640179dfc2e6453)
(cherry picked from commit de1c182b0ab3a0e0efe30ea9ac41934bd378eae5)