GitLab

 - remove environment argurments and used gluon.current instead.
 - add is_mathjax ans used it.

App.grid.GridWithFilter
 - Improve the display of App.GridWithFilter by moving anchor to 99%.
 - The class GridWithFilter inherit from PanelwithSelector
 - cvtSvc and cfg_configurable_url_panel follows evolution

 - remove environment argumenst and used gluon.current instead.
 - add is_mathjax ans used it.

App.grid.GridWithFilter
 - Improve the display of App.GridWithFilter by moving anchor to 99%.
 - The class GridWithFilter inherit from PanelwithSelector
 - cvtSvc and cfg_configurable_url_panel follows evolution

gridwithfilter.

- break backward compatibility through new naming /order of the model component (db, default, plugin, widget)
- Define one Node class and remove previous definition
- Add a configurator for single panel displaying url
- Modify the cfgSvc to give access to form and grid configuration remove the method get_configuration.
- Modify the appviewport to instanciate the widget from the configuration encapsulated in the leaf.

- 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