Update the change log.

static/plugin_dbui/CHANGELOG

 --------------------------------- CHANGE LOG ----------------------------------
 
 HEAD
+   - Update the address of the git repositories to the GitLab ones.
+   - Add the plugin.dbui variable app_git.
 
 0.6.3 - 0.6.4 (Apr 2015)
    - Migrate the Python API documentation from epydoc to Sphinx.
    - Move the reference manual from plugin_dbui_book.
-   - Adapt buildVersion.py to the new git branching model 
+   - Adapt buildVersion.py to the new git branching model
      and rename it build_version.py
 
 0.6.2.7 (Mar 2015)