Updated pod spec

Added iPhone 6 support for demo app

Fixed Jawbone#159 for real this time

readme and comment

updated changeling

Merge pull request Jawbone#165 from eventualbuddha/nil-delegate-and-d…

…atasource-on-dealloc

Nil out delegate and datasource on dealloc

Fixes Jawbone#157

Fixed radius width on demo line charts

Fixes Jawbone#118 - access to bar and dot views

pod spec and read me updates