Updated the release date for release 2.2.

eskroch · eskroch · commit c007af2fb17a · 2016-09-18T16:32:31.000-04:00
diff --git a/documentation/changelog.markdown b/documentation/changelog.markdown
@@ -1,4 +1,4 @@
-# Release 2.2 (September 17, 2016)
+# Release 2.2 (September 18, 2016)
 
 ## Release Notes
 
