Add CHANGELOG with content for 0.3.1

8b911225 · Ilya Ryzhenkov · a7941c5a · 8b911225
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
+# 0.3.1
+Published 7 Apr 2017
+
+* Replace routing function `contentType` with `accept`
+* Major refactoring in internal host system to simplify and unify code
+  * Use `embeddedServer(Netty, …)` instead of `embeddedNettyServer(…)`
+  * Support automatic reloading in embedded hosts
+  * Fix ApplicationTransform problems preventing Freemarker templates from working
+* Fix json and logback dependencies to avoid propagating to clients 
+* Bug fixes & performance optimisations
+* Documentation
+
+# 0.3.0
+Published 8 Mar 2017
+
+* Major refactor to coroutines
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