Drop dependency on net-zope/zope-fixers per Arfrever.

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key 0BBEEA1FEA4843A4)
Initial commit, based off Chris Camisa's work in his OpenStack overlay: https://github.com/Camisa/OpenStack-Overlay/tree/master/sys-cluster/xe-guest-utilities; I intend to proxy further commits from him.

(Portage version: 2.2.10/cvs/Linux x86_64, unsigned Manifest commit)
Remove obsolete comment.

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key 0BBEEA1FEA4843A4)
amd64/x86 stable, bug #514482

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
amd64/x86 stable, bug #514462

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
x86 stable wrt bug #504584

(Portage version: 2.2.8-r1/cvs/Linux i686, signed Manifest commit with key 0x4F1A2555EA71991D!)
x86 stable, bug #505840

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
x86 stable, bug #512696

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
x86 stable, bug #510670

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
Version bump to latest, drop older.

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key 8EEE3BE8)
revbump; patch required to fix a test failing in pyopenssl, fixes Bug #514418

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key 0xB8072B0D)