Support for user-defined logic functions and predicates without labels

src/plugins/e-acsl/Makefile.in

src/plugins/e-acsl/env.ml

src/plugins/e-acsl/env.mli

src/plugins/e-acsl/fixpoint.ml

src/plugins/e-acsl/fixpoint.mli

src/plugins/e-acsl/gmpz.ml

src/plugins/e-acsl/gmpz.mli

src/plugins/e-acsl/interval.ml

src/plugins/e-acsl/interval.mli

src/plugins/e-acsl/lfunctions.ml

src/plugins/e-acsl/lfunctions.mli

src/plugins/e-acsl/misc.ml

src/plugins/e-acsl/misc.mli

src/plugins/e-acsl/tests/bts/oracle/bts1307.res.oracle

src/plugins/e-acsl/tests/format/oracle/fprintf.res.oracle

src/plugins/e-acsl/tests/format/oracle/printf.res.oracle

src/plugins/e-acsl/tests/gmp/functions.c

src/plugins/e-acsl/tests/gmp/functions_contiki.c

src/plugins/e-acsl/tests/gmp/functions_rec.c

src/plugins/e-acsl/tests/gmp/oracle/functions.0.res.oracle