- Modify the cfgsvc.get_configuration to return None
- Modify the model to run a simple report
- Modify the appviewport to handle the case of a panel with an url
- Modify the controller reports/report_1 to run with the current
  database definition

- Add the class NodeURL
- Add the keyword refName for all node. To be used by the server side as
a table or a node identifier.

navigation tree.

- Add new modules navtree and the class NodeBase and NodeDB
- Redesign the viewport_modifier and the cfgsvc.get_tree method
- Remove the obsolete method cfgsvs.get_tables
- Sort properly list according to the locale language

- Add new direct method getConfiguration and getTree. Remove obsolete direct method getForm, getGrid and getViewport. Modify the appgridroweditor accordingly.
- Add cfgsvc method get_configuration and get_tree. The method get_form and get_grid are now private. Remove get_viewport.
- Create a new javascript class appviewport and appgridwithfilter. Remove appmgr, appviewportintreebase, appviewportintreeform and appviewportingrid. Modify the javascript translation file accordingly.
- Polish translation and configuration services

When set to true the button action is authorized when the form is valid

Modifiers.

...

Third party libraries extjs and mathjax are handle via git submodule.
Ignore the eclipse project file.