add to changes
set body io-handle as the PSGI spec requires, and handle the backcompat case
updated changes and versions, commented on deprecations in the delta file
Matching upstream
Simple patch allowing CodeRef in Body. Will get a 'writer' from _response_cb
and pass in as the argument to the CodeRef in Body.

Conflicts:

	lib/Catalyst/Engine.pm
Fixing
Fix Conflict
Resolve merge
Merge branch 'runner' of https://github.com/perl-catalyst/catalyst-runtime into runner
Merge coderef in body patch