Merge branch 'develop' of github.com:SnapKit/SnapKit into develop

CONTRIBUTING.md

@@ -1,5 +1,11 @@
 # Contributing
 
+- If you **need help**, use [Stack Overflow](http://stackoverflow.com/questions/tagged/snapkit). (Tag 'snapkit')
+- If you'd like to **ask a general question**, use [Stack Overflow](http://stackoverflow.com/questions/tagged/snapkit).
+- If you **found a bug**, open an issue.
+- If you **have a feature request**, open an issue.
+- If you **want to contribute**, submit a pull request.
+
 ### Pull Requests
 
 We gladly accept any PR's assuming they are well written, documented ( if necessary ) and preferably have test code. If you're unsure if we'll accept a new feature please open an issue requesting it and we can have a discussion before you code and submit a PR.

README.md

@@ -7,6 +7,11 @@ SnapKit is a DSL to make Auto Layout easy on both iOS and OS X.
 [![Cocoapods Compatible](https://img.shields.io/cocoapods/v/SnapKit.svg)](https://cocoapods.org/pods/SnapKit)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 
+#### ⚠️ **To use with Swift 2.x please ensure you are using == 0.22.0** ⚠️ 
+#### ⚠️ **To use with Swift 3.x please ensure you are using >= 3.0.0** ⚠️ 
+
+## Contents
+
 - [Requirements](#requirements)
 - [Migration Guides](#migration-guides)
 - [Communication](#communication)
@@ -17,7 +22,7 @@ SnapKit is a DSL to make Auto Layout easy on both iOS and OS X.
 
 ## Requirements
 
-- iOS 9.0+ / Mac OS X 10.11+ / tvOS 9.0+
+- iOS 8.0+ / Mac OS X 10.11+ / tvOS 9.0+
 - Xcode 8.0+
 - Swift 3.0+