Update the CHANGELOG

CHANGELOG

@@ -3,12 +3,18 @@
 ## 2015-01-15 FreshRSS 0.9.4 (beta)
 
 * Feature
-	* Extension system (!!)
+	* Extension system (!!): some extensions are available at https://github.com/FreshRSS/Extensions
 * Refactoring
 	* Front controller (FreshRSS class)
 	* Configuration system
 	* Sharing system
 	* New data files organization
+* Updates
+	* Remove restriction of 1h for updates
+	* Show the current version of FreshRSS and the next one
+* UI
+	* Remove the "sticky position" of the feed aside (moved into an extension)
+	* "Show password" shows the password only while the user is pressing the mouse.
 
 
 ## 2014-12-12 FreshRSS 0.9.3 (beta)