New feature: control line mode

New feature: control how the line between data points is drawn. You can choose between Linear, Stepped, and Horizontal Bezier.

Version 1.1 with build 1.1.1

Released on App Store

v1.1: Merge pull request #28 from MonoHelixLabs/crash-fix

Fixed bug that caused the app to crash when looking at feed details due to change in Adafruit IO API

v1.0

Updated tvOS asset