upgpkg: pacman 4.2.0-2

add needed vcs handlers to makepkg.conf, pull upstream roundup patch

git-svn-id: file:///srv/repos/svn-packages/svn@227857 eb2447ed-0c53-47e4-bac8-5bc4a241df78
archrelease: copy trunk to testing-i686, testing-x86_64

git-svn-id: file:///srv/repos/svn-packages/svn@227858 eb2447ed-0c53-47e4-bac8-5bc4a241df78