Added sf\3tshell platform with support for building beagle textshell+fshell ROMs.
As part of that:
* Added baserom command and tweaked it to be more friendly with SF baselines.
* Lots of build fixes
Also cd now makes sure the current working directory matches the file system with respect to case.
EXPORTS
_ZN17RLoggingAllocator7InstallEv @ 1 NONAME
_ZN17RLoggingAllocator9UninstallEv @ 2 NONAME
_ZN17RLoggingAllocator15StaticTraceFreeEP10RAllocatorPv @ 3 NONAME
_ZN17RLoggingAllocator16StaticTraceAllocEP10RAllocatorPvi @ 4 NONAME
_ZN17RLoggingAllocator7InstallEj @ 5 NONAME
_ZN17RLoggingAllocator3NewEjP10RAllocatorRPS_ @ 6 NONAME