Release 2.22: branch created

[David Miller]

From: Eric Botcazou <ebotcazou@adacore.com>
Date: Sun, 16 Oct 2011 16:44:22 +0200

>> The branch is open to fix regressions/bugs, do not hesitate to ask before
>> committing on the branch.
> 
> An annoying bug has been identified on the SPARC (PR 13301), whose fix is very 
> likely trivial, so it would be nice if it could make it into the release.

I'll take a look at this soon, thanks Eric.