chore(version): add version change log

KostyaDanovsky · KostyaDanovsky · commit 3ca94ef03755 · 2016-04-11T19:19:53.000+03:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,4 @@
+v1.1.1 - 11 Apr 2016
+--------------------
+- Improved scrolling performance, fixes #2
+- Set 0.9.5 version for the Chartist library by default, fixes #5
