improve CPU brand string detection
wposix: no more ONCE during init (not thread-safe). also remove
redundant round_up
fold string_s into secure_crt
vfs: small fixes+commenting improvements while calling VFS back into
memory
This was SVN commit r5054.
# Attempted to make compilation faster
by including as little as possible in some .h files, and moving it into
.cpp.
Fixed BaseTechCollection memory leak.
This was SVN commit r3992.