made LittleLong/Short/Float and BigLong/Short/Float functions pass a
pointer to the variable to BuffBigLong/BuffLittleLong and friends to
avoid unaligned memory access crashes on some platforms even if a file
has unaligned data in it
added StoreBigLong function to help the netconn.c code
removed BYTE_ORDER compile-time detection
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@9617
d7cf8633-e32d-0410-b094-
e92efae38249