Update to latest HEAD
    
    - Initial port of DNF copr plugin to yum API.
    - reposync: check for existing packages when using -u option. BZ 1140864
    - Add --nolock option to repoquery, so queries can be run in parallel.
    - reposync: preserve directory structure. BZ 1139032
    - yum-builddep: don't setup source repos if a local srpm or spec file is specified. BZ 1113167
    - yum-post-transaction-actions: allow colons in command part. BZ 1134989
    - reposync: show urls for all repos when using -u option. BZ 1133125
    - post-transaction-actions: preload filelists for packages to be removed. BZ 1127782.
    - needs-restarting: catch IOError. BZ 1127191
    - yum-config-manager: make --setopt work without providing repo name twice.