[CONSRV]

[CONSRV]
- Macros renaming.
- When switching active screen buffers, do it a bit more properly, i.e. announce it to the terminal emulator (aka. frontend) so that it will be able to change the associated console palette, be able to support displaying multi screen buffers or displaying another screen buffer than the active one (for debugging purposes or whatever), etc...

There are still some hacks and commented code, which whill be cleaned when I'll be sure that everything works and is not broken somewhere.

svn path=/trunk/; revision=60593