Bump to 3.4.0-SNAPSHOT

Author: nedtwigg

README.md

@@ -17,7 +17,7 @@ output = [
 [![Javadoc](https://img.shields.io/badge/javadoc-OK-blue.svg)](https://diffplug.github.io/durian-swt/javadoc/3.3.0/)
 [![License Apache](https://img.shields.io/badge/license-Apache-blue.svg)](https://tldrlegal.com/license/apache-license-2.0-(apache-2.0))
 
-[![Changelog](https://img.shields.io/badge/changelog-3.3.0-brightgreen.svg)](CHANGES.md)
+[![Changelog](https://img.shields.io/badge/changelog-3.4.0--SNAPSHOT-brightgreen.svg)](CHANGES.md)
 [![Travis CI](https://travis-ci.org/diffplug/durian-swt.svg?branch=master)](https://travis-ci.org/diffplug/durian-swt)
 [![Live chat](https://img.shields.io/badge/gitter-live_chat-brightgreen.svg)](https://gitter.im/diffplug/durian)
 <!---freshmark /shields -->

gradle.properties

@@ -1,5 +1,5 @@
 stable=3.3.0
-version=3.3.0
+version=3.4.0-SNAPSHOT
 name=durian-swt
 #group=com.diffplug.durian (moved to build.gradle to workaround gradle classpath problems)
 description=DurianSwt - Reactive utilities and fluent builders for SWT