Remove all invocations of SetSubDirSupportedPlatformsBeOSCompatible.

bfs_tools/bfsinfo: Cleanup output, use human sizes

* Correct some warnings on 64-bit

Use libstdc++, libsupc++ and libgcc from gcc_syslibs.

* Instead of faking libstdc++.so from libstdc++.a, use libstdc++.so
from the gcc_syslibs build feature for everything except x86_gcc2.
* Use libgcc_s.so from the gcc_syslibs build feature for everything but
x86_gcc2 (which still carries libgcc as part of libroot.so).
* Drop filtering of libgcc objects for libroot, as that is no longer
necessary since we're only using libgcc-as-single-object for libroot
with x86_gcc2, where the filtered object file doesn't exist. Should
the objects that used to be filtered cause any problems as part of
libgcc_s.so, we can always filter them as part of the gcc build.
* Use libsupc++.so from the gcc_syslibs build feature for everything but
x86_gcc2.
* Adjust all Jamfiles accordingly.
* Deactivate building of faked libstdc++.so for non-x86-gcc2. For
x86_gcc2, we still build libstdc++.so from the sources in the Haiku
source tree as part of the Haiku build .
* Put gcc_syslibs package onto the image, when needed.

Build fix

Reuse haiku-utils_rsrc jam var from upper Jamfile.

gcc4 build fixes.

Imported BFS-Tools (without docs), added bfsinfo to the image.

* The sources are unchanged, and most of it doesn't follow Haiku's coding
style -- stuff that I updated over the years might also have seen a coding
style update.
* This was also the basis on which Haiku's BFS has been written.
* In the long run, the stuff in 'lib' that is already part of BFS should
be removed, and used directly from BFS itself.
* I haven't yet added any other of the tools to the image. Not sure if they
are ready for inclusion yet; 'recover' could also be renamed to reflect that
it is BFS specific.

Use libstdc++, libsupc++ and libgcc from gcc_syslibs.

* Instead of faking libstdc++.so from libstdc++.a, use libstdc++.so
from the gcc_syslibs build feature for everything except x86_gcc2.
* Use libgcc_s.so from the gcc_syslibs build feature for everything but
x86_gcc2 (which still carries libgcc as part of libroot.so).
* Drop filtering of libgcc objects for libroot, as that is no longer
necessary since we're only using libgcc-as-single-object for libroot
with x86_gcc2, where the filtered object file doesn't exist. Should
the objects that used to be filtered cause any problems as part of
libgcc_s.so, we can always filter them as part of the gcc build.
* Use libsupc++.so from the gcc_syslibs build feature for everything but
x86_gcc2.
* Adjust all Jamfiles accordingly.
* Deactivate building of faked libstdc++.so for non-x86-gcc2. For
x86_gcc2, we still build libstdc++.so from the sources in the Haiku
source tree as part of the Haiku build .
* Put gcc_syslibs package onto the image, when needed.

Build fix

Reuse haiku-utils_rsrc jam var from upper Jamfile.

gcc4 build fixes.

Imported BFS-Tools (without docs), added bfsinfo to the image.

* The sources are unchanged, and most of it doesn't follow Haiku's coding
style -- stuff that I updated over the years might also have seen a coding
style update.
* This was also the basis on which Haiku's BFS has been written.
* In the long run, the stuff in 'lib' that is already part of BFS should
be removed, and used directly from BFS itself.
* I haven't yet added any other of the tools to the image. Not sure if they
are ready for inclusion yet; 'recover' could also be renamed to reflect that
it is BFS specific.