Added changes to changelog

docs/Changelog.md

@@ -1,3 +1,11 @@
+## v2.6.2
+
+Released September ??, 2014
+
+- `New` Select all albums/photos with `cmd+a` or `ctrl+a`
+- `New` Detect duplicates and only save one file (#48)
+- `New` Duplicate photos (#186)
+
 ## v2.6.1
 
 Released August 22, 2014