List and show global tasks
Moved resources from test/server-unit up to test

The resources are also used for the default instance and will be used for
end-to-end testing.
Added remote.git repository for repo.git to fetch from

is ahead of repo.git by 1 commit on master
Tasks log error message on failure

runNested on the other hand does no longer log them, so the error messages
will be indented. "ok" messages have been removed.
ShellTask reports both stdout and stderr
Implemented global fetch (upgrades affected sites)