Add 2.0.0 publish date into CHANGELOG

MoOx · MoOx · commit b720b8cedf85 · 2016-01-02T22:59:21.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 2.0.0 - Unreleased
+# 2.0.0 - 2015-09-14
 
 - Added: support for PostCSS v5.x
 - Removed: support for PostCSS v4.x

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# 2.0.0 - Unreleased`
	`1`	`+# 2.0.0 - 2015-09-14`
`2`	`2`
`3`	`3`	`- Added: support for PostCSS v5.x`
`4`	`4`	`- Removed: support for PostCSS v4.x`