also rename wchar -> utf8 to avoid conflict with <wchar.h> (requires
rebuild of workspace)
(unfortunately copying history fails to "502 bad gateway"; had to delete
old + add new independently)
This was SVN commit r7340.
factor out the "atom_fn" mechanism into lib/allocators/string_pool.cpp
factor out FAT date/time handling into lib/fat_time.cpp
path_util: replace strcpy with SAFE_STRCPY; add additional functions
that avoid passing an output buffer via StringPool
This was SVN commit r5474.
