Warzone 2100 Graphic Mods tools

Edited the bot to stay alive on ##wzgm channel.

enhancing page 7 machine gun tower base high res texture in one section.

WMIT: Cache last browsed directory instead of reseting to default dir each time.

WMIT: Change window title on file open.

WMIT: Eradicate nativeMenuBar property from MainWindow.ui.

Fix eol style to native for *.c, *.h, *.pie and nuke ntw

Fixing Radar turret on droids and HQ
gnlsnsr1.pie droid turret mnlsnsr1.pie HQ

Added TCMASK texture and team colour to blhq4.pie

Change texture on old model blhq4.pie
new texture is page 130

Changing the texture co-ords and texture for old default fortress