define default include and lib paths for qfcc
ruamoko:
{cl_menu,game}/Makefile.am:
conform to the new qfcc library linking rules
lib/Makefile.am:
install the libs to ${prefix}/lib/ruamoko
qfcc:
linker.[ch]:
support path searching for -llib and make linker_add_lib search for
libfoo.a for -lfoo in the paths, or just a single dir search for the
libname otherwise.
options.c:
support -L libpath and setup the default include and lib paths
also change most strdup calls to save_string
qfcc.c:
check for foo.a as well as -lfoo when deciding whether the file is
an object file or lib file.
