Use bool instead of BOOL

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Dropped unused declarations

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Synced with src/TortoiseShell/globals.h

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Drop tortoiseshell.patch

Not necessary any more. itemStates can be gathered with DebugOutputString set to true.

Signed-off-by: Sven Strickroth <email@cs-ware.de>