vscript additions and fixes:

vscript_client.cpp
   - Fixed local player script instance registration
   - Added CEntities::GetLocalPlayer
   - Added Con_IsVisible
   - Added IsWindowedMode
   - Added ScreenWidth
   - Added ScreenHeight
   - Added ScreenTransform
   - Added missing DoUniqueString

gameinterface.cpp
usercmd.h
usercmd.cpp
vscript_singletons.cpp
   - CNetMsgScriptHelper

vscript_singletons.cpp
   - Added hash map for CScriptSaveRestoreUtil
   - Added hash map for CScriptGameEventListener::s_GameEvents
   - Changed CScriptGameEventListener string contexts to hashes
   - Added invalid input condition on CScriptGameEventListener::ListenToGameEvent
   - Moved CDebugOverlayScriptHelper to shared code

ivscript.h
vscript_squirrel.cpp
   - Added IScriptVM::Get/Set/ClearValue (ScriptVariant_t key)

baseentity.h
baseentity.cpp
   - Added CBaseEntity::SetContextThink (ScriptSetContextThink)

vscript_server.cpp
vscript_client.cpp
vscript_funcs_shared.cpp
   - Changed the order user vscript_*.nut files are executed - after internal scripts, before mapspawn

vscript_squirrel.cpp
vscript_squirrel.nut
vscript_server.nut
vscript_shared.cpp
   - Localised all documentation under __Documentation

hl2_usermessages.cpp
   - Added usermessage ScriptMsg

c_baseplayer.cpp
   - Removed redundant check in ~C_BasePlayer

sp/src/game/server/gameinterface.cpp

@@ -3196,7 +3196,11 @@ float CServerGameClients::ProcessUsercmds( edict_t *player, bf_read *buf, int nu
 	for ( i = totalcmds - 1; i >= 0; i-- )
 	{
 		to = &cmds[ i ];
+#if defined( MAPBASE_VSCRIPT )
+		ReadUsercmd( buf, to, from, pPlayer ); // Tell whose UserCmd it is
+#else
 		ReadUsercmd( buf, to, from );
+#endif
 		from = to;
 	}