Update changelog for version 0.4.2

static/plugin_dbui/CHANGELOG

 --------------------------------- CHANGE LOG ----------------------------------
 
-0.4.x (Sep 11)
+0.4.2 (Oct 11)
   - Migrate to git and to ExtJS 3.4
   - Backport the modifiers syntax developped in the branch 0.5.x
   - Backport the 0.5.x look and feel for the row editor contex menu
-  - Handle properly composite field and date conversion
+  - Bugs fixed
   
 0.4.1 (Apr 11)
   - Bugs fixed.