Don't load the icon at creation time
Make the result list wrap when going up or down
Check for a duplicate object immediately

This ought to make catalog restoration a little bit quicker by not going through the pain of UTI-fying our dictionaries if the object is already known.
Also remove `[at]synchronize`: we're in the process of initializing a new object, I don't think there a chance that anyone else happens to know we're doing that (unless some other place jumps through a dangling pointer :-S).
Make the icon & child cache a little more thread-resilient
go back to the 1.1.x results list

temporary so 1.2.0 doesn't break under Yosemite
Merge pull request #1928 from quicksilver/t/wrap-result-list

Make the result list wrap when going up or down
mention #1928 in the release notes
stop generating PkgInfo files

they cause problems for code signing
update preference icons for 10.10

fixes #1932
Merge branch 't/purge-deadlocks' of github.com:quicksilver/Quicksilver into t/purge-deadlocks
Merge pull request #1933 from quicksilver/preficons1010

update preference icons for 10.10
combine loaded sets so we only enumerate once

and enable concurrent enumeration
mention #1933 in the release notes
Merge pull request #1930 from quicksilver/oldresults

go back to the 1.1.x results list
mention #1930 in the results list
Merge pull request #1931 from quicksilver/pkginfo

stop generating PkgInfo files
build and sign Automator actions with Xcode 6
mention #1931 in the release notes

and the Automator action updates
increase build number to 400E
Testing bundles must have their deployment target set to 10.9 for XC6