Merge branch '538-wp-support-for-why-3-1-0' into 'stable/potassium'

...wp_gallery/oracle_qualif/binary-multiplication.res.oracle

src/plugins/wp/tests/wp_plugin/oracle/inductive.res.oracle

...plugins/wp/tests/wp_plugin/oracle_qualif/abs.2.res.oracle

...lugins/wp/tests/wp_plugin/oracle_qualif/config.res.oracle

...ins/wp/tests/wp_plugin/oracle_qualif/convert.1.res.oracle

...p/tests/wp_plugin/oracle_qualif/float_format.2.res.oracle

...lugins/wp/tests/wp_plugin/oracle_qualif/math.1.res.oracle

...lugins/wp/tests/wp_plugin/oracle_qualif/math.3.res.oracle

...plugins/wp/tests/wp_plugin/oracle_qualif/nth.1.res.oracle

...ns/wp/tests/wp_plugin/oracle_qualif/sequence.1.res.oracle

src/plugins/wp/why3_xml.mli

src/plugins/wp/why3_xml.mll