* modules/gui/skins/*:

* modules/gui/skins/*:
 - huge cleaning of the interpreter; all the variables are stored in
 the container VarManager, and can be retrieved by their name (with
 type checking if needed). Some variables are still owned by VlcProc
 for technical reasons (their interface is not compliant with normal
 variable, because of the "updateVLC" trick)
 - replaced double by float