DB logging.
Revert "Add pooler metrics."

This reverts commit 931e1f2ac52104c4498dd7411f198aa015a42669.
Revert "Replace poolboy with pooler."

This reverts commit 3b6103925c13d45efc2cd2364fe48b50a6e990e0.
Remove dead constants.
More timings.
Don't render body for index page.
Optimise transform.erl a bit.
Merge branch 'master' into production