XSB Src (SVN)-old

(2) enhance flrwrapper. new type 'flora' added that can be
used to decoded builtin predicates in trailers
(3) encode predicates in the trailers like firstorder but
with the normal prefix (not first order prefix)
(4) add new directive for .fli files:
FL_FLOGICSTATIC for firstorder like trailer predicates
FL_FLORAPATCH for generating Flora-specific patch rules
(5) enhance loading & compiling routines