GitLab

- remove the service CvtSvc
- introduce a new module extjs containing a configurator class for each ExtJS component.
- introduce a new module converter containing helper function transforming web2py dal object into ExtJS configurator.
- deploy configurator in the rest of the code.
- define an xtype forl the App.Viewport class.
- Remove the widget class and transform the Spacer into a configurator.
- clean the navtree module. Helper function are replaced by configurator

 - 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.