GitLab

Runtime configuration system for skia.  This will allow developers to control settings at launch time without relying on compile-time flags or recompilation.  It can be used to turn features on and off, as well as to control numeric quantities to 'tune' algorithms.  Once I make sure it's working across all platforms I'll send out a quick tutorial on its use.

Review URL: https://codereview.appspot.com/7098051

git-svn-id: http://skia.googlecode.com/svn/trunk@7158 2bbb7eff-a529-9590-31e7-b0007b416f81