Revert "Fix the config"

This reverts commit 353d0973024326eb801345ee0d45fb0e3616a3ff.
Revert "Build most recent commits first, to make better use of CPU time and get quicker indication of failure"

This reverts commit ceecbf19d3ce0a9258236f6ff1972d13f435b36a.
Merge pull request #24 from peternewman/master

Revert back to building oldest builds first, so the build numbers make sense