q_endian.h: add WORDS_BIGENDIAN macro for autotools compatibility.

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5362 eaf649e6-6c13-0410-b194-84221022858e
sync with libTiMidity fork at https://github.com/sezero/libtimidity/

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5363 eaf649e6-6c13-0410-b194-84221022858e
bumped the version date stamp to 2014-10-28.

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5364 eaf649e6-6c13-0410-b194-84221022858e
update docs/COMPILE

git-svn-id: svn://svn.code.sf.net/p/uhexen2/code/trunk@5365 eaf649e6-6c13-0410-b194-84221022858e