Merge branch 'master' into exception_interface

master: (112 commits)
The warning about a class having mutable ancestors has been removed (and was never in a non-dev Moose release)
Work with old and new Moose
Preserve immutable_options when temporarily making a class mutable
Rework the C<< $c->go >> documentation a little, hopefully it's more clear.
Blargh. Merge branch deprecate_appclass_actions manually, with svn merge http://dev.catalyst.perl.org/repos/Catalyst/Catalyst-Runtime/5.80/trunk http://dev.catalyst.perl.org/repos/Catalyst/Catalyst-Runtime/5.80/branches/deprecate_appclass_actions . after I forgot -l on svk push, but ctrl-C after the first rev meant svk had already committed a merge mark and re-merging did nothing, and removing it didn't do the right thing. Fail cake..
Eat the merge mark, svk hates me.

Fix warnings in upcoming moose
add myself to contributors
Prepare for release
un-TODO passing TODO tests
Fix duplicate results from get_action_methods. Q. Why didn't I just do that first time round? A: Am idiot.
AGH. Too tired to be doing this, fucked it up again
I'm an idiot, that totally doesn't work. remove.
Test for r11331 + fix to only report each action name once from get_action_methods
Fix hash key name back to what it used to be for compat, keeping renamed accessor where it was. Tests for this breakage to follow
Changelogging
Changes tweaks
Bump versions back to 5.8.4
Changelog
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