Bump version to 4.0.0 (#147)

- Update version on Static/Info.plist, Static.podspec, and .swift-version
- Update Readme.markdown

Author: keitaito

.swift-version

@@ -1 +1 @@
-4.2.0
+5.0.0

Readme.markdown

@@ -9,6 +9,7 @@ Simple static table views for iOS in Swift. Static's goal is to separate model d
 
 | Swift Version | Static Version |
 | ------------- | -------------- |
+| 5.0+          | 4.0.0          |
 | 4.2+          | 3.0.1          |
 | 3.2+          | 2.1            |
 | 3.0.1         | 2.0.1          |

Static.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
   spec.name = 'Static'
-  spec.version = '3.0.2'
+  spec.version = '4.0.0'
   spec.summary = 'Simple static table views for iOS in Swift.'
   spec.description = 'Static provides simple static table views for iOS in Swift.'
   spec.homepage = 'https://github.com/venmo/static'

Static/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>3.0.2</string>
+	<string>4.0.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>