Swift 3 Support

2.0.0

Merge remote-tracking branch 'origin/Swift3-Fixes'

tvOS Support

Merge pull request #30 from urbn/TVOS

TVOS support

Release 1.0

Warning: This is a breaking release

Updates include:

• No longer automagically calculating estimated header & footer heights for you. (breaking change)
• New methods for cell and supplementary view sizes. sizeForRowAtIndexPath & sizeForSupplementaryViewOfType:atIndexPath
• New property autoSizingEnabled to enable datasource of handling all your cell & view sizing needs.
• Updated handling of fallbackDataSource and flushing of the datasource cache.