ScriptParser modified to give the possibility to exhibit in the interface some parameters of plug-ins used by a script.

Functions added to UIParamSet to remove (without deleting) a parameter from the set, and to recover the count of parameters currently belonging to it.

Items newly created into a project can now be tracked. It is used to recover items resulting from the execution of a tool plug-in.

Function added to AlgorithmSelector to launch the execution of a tool different from the one which is currently selected in the UI.

Function added to GLViewer to check if a UIData encapsulating a given content is currently displayed.

Display state of mesh boundary edges now stored in GLViewer and controlled by toolbar buttons in UIMainWindow.

Shading model state (flat or smooth) now stored in GLViewer and controlled by toolbar buttons in UIMainWindow.

updateCurrentProjectContent() and updateTypeFilters() functions of UIMainWindow modified so as to avoid excessive update calls.