Merge pull request #10 from brantyoung/develop

Merge from develop branch
Merge pull request #11 from brantyoung/develop

Merge from develop branch
Merge branch 'develop'
Merge branch 'develop'
Update dependencies
* Prepare for release 13.03
* Drop OS X 10.6 support
* Update CocoaLumberjack
Convert to modern Obj-C syntax
Switch to auto layout