Keyword amd64-linux and x86-linux

(Portage version: 2.2.10.1-prefix/cvs/Linux x86_64, signed Manifest commit with key 0x13CB1360)
Update multilib stable mask
Update multilib stable mask
Update multilib stable mask
Fix SRC_URI

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key A188FBD4)
Update multilib stable mask
Update multilib stable mask
Update multilib stable mask
Install properly for prefix

(Portage version: 2.2.10.1-prefix/cvs/Linux x86_64, signed Manifest commit with key 0x13CB1360)
Update multilib stable mask
Update multilib stable mask
Update multilib stable mask
Update multilib stable mask
Update masks for gnome3
Version bump wrt security #516080

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key 4868F14D)
Update multilib stable mask
Update multilib stable mask
bup

(Portage version: 2.2.8-r1/cvs/Linux x86_64, signed Manifest commit with key 0x2471eb3e40ac5ac3)
Update multilib stable mask
[QA] EAPI bump, remove old wrt bug 334597

(Portage version: 2.2.10/cvs/Linux x86_64, signed Manifest commit with key 28DB029C)