PSR3 Logger adapter for the CI Log class

[eluser]jmadsen[/eluser]
Purely for play: a PSR3 logger adapter for the Log class https://gist.github.com/jrmadsen67/4737998

really just playing around with this blog post http://phpmaster.com/logging-with-psr-3-...usability/

thought I'd put it here for whatever interest or discussion it might bring