(incomplete) Lumberjack 2.x for mts's fork of svgkit

Hey, this is still a work in progress (and now not automatically merge-able) but wanted to let you know about it. 

I was able to get osx demos and demo-ios to work but ran into issues when building the "svgkit-ios framework" (the library version built okay). at the time I was stuck at a compiler error resulting in this:

![screen shot 2014-12-21 at 8 28 21 pm](https://cloud.githubusercontent.com/assets/297435/5521254/acb1940c-8950-11e4-8631-e2e72ec28296.png)

Then got sick this past week and haven't had time to finish this migration. Just wanted to let you know since I just noticed your commits earlier this week preparing for CL 2.x changes.

One more thing: You probably shouldn't merge this. This branch temporarily commented out your work in setting up an 'internal log level'.