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

src/plugins/wp/share/src/logs/real.Real.altergo.stdlib.err

...ugins/wp/share/src/logs/real.RealInfix.altergo.stdlib.err

src/plugins/wp/share/src/logs/real.Square.altergo.stdlib.err

...ns/wp/share/src/logs/real.Trigonometry.altergo.stdlib.err

...lugins/wp/share/src/logs/real.Truncate.altergo.stdlib.err

src/plugins/wp/share/src/lower.ml

src/plugins/wp/share/src/memory.why

src/plugins/wp/share/src/qed.why

src/plugins/wp/share/src/realization.conf

src/plugins/wp/share/src/tests/import.why

src/plugins/wp/share/src/tests/import/import_T_G_1.v

src/plugins/wp/share/src/tests/import/why3session.xml

src/plugins/wp/share/src/upper.ml

src/plugins/wp/share/src/vlist.why

src/plugins/wp/share/src/vset.why

src/plugins/wp/share/src/why3-realize.drv

src/plugins/wp/share/src/why3printer_realize.ml

src/plugins/wp/share/why3/Bits.v

src/plugins/wp/share/why3/Cbits.v

src/plugins/wp/share/why3/Cbits.why