Merge pull request #832 from OneSignal/fix/readme_updates_and_fixes

Fix/readme updates and fixes

Author: jkasten2

README.md

@@ -3,7 +3,7 @@
 </p>
 
 ### OneSignal iOS SDK
-[![CocoaPods](https://img.shields.io/cocoapods/v/OneSignal.svg)](https://cocoapods.org/pods/OneSignal) [![CocoaPods](https://img.shields.io/cocoapods/dm/OneSignal.svg)](https://cocoapods.org/pods/OneSignal) [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg)](https://github.com/Carthage/Carthage) [![SwiftPM Compatible](https://img.shields.io/badge/SwiftPM-Compatible-brightgreen.svg)](https://goo.gl/E01ufX) [![Build Status](https://travis-ci.org/OneSignal/OneSignal-iOS-SDK.svg?branch=master)](https://travis-ci.org/OneSignal/OneSignal-iOS-SDK)
+[![CocoaPods](https://img.shields.io/cocoapods/v/OneSignal.svg)](https://cocoapods.org/pods/OneSignal) [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg)](https://github.com/Carthage/Carthage) [![SwiftPM Compatible](https://img.shields.io/badge/SwiftPM-Compatible-brightgreen.svg)](https://goo.gl/E01ufX) [![Build Status](https://travis-ci.org/OneSignal/OneSignal-iOS-SDK.svg?branch=master)](https://travis-ci.org/OneSignal/OneSignal-iOS-SDK)
 
 ---
 
@@ -26,4 +26,4 @@ For account issues and support please contact OneSignal support from the [OneSig
 
 #### Supports:
 * Swift and Objective-C Projects
-* Supports iOS 9 to iOS 13
+* Supports iOS 9 to iOS 14