[Stdlib] Remove FCBuffer and FCSet

Closes #793

See merge request frama-c/frama-c!2522

Feature/db progress

Closes #790

See merge request frama-c/frama-c!2515

[typing] less warning on function applications

See merge request frama-c/frama-c!2519

[stdlib] Removes FCMap.
[eva] use `Map.union` instead of `Map.merge`

See merge request frama-c/frama-c!2520

[Libc] add spec for getsockname

See merge request frama-c/frama-c!2311

More specifically, do not warn if actual parameter has less `const` qualifiers
all along the type than formal (it was already handled for a `const` under
a single pointer, but not more). Of course, the reverse would still emit
a warning.

     Since Db.once are often registered in daemons

     It simplifies and is not really needed

Fixes the compilation with ocaml 4.10

See merge request frama-c/frama-c!2500

[gui] Display globals in original order.

Closes #788

See merge request frama-c/frama-c!2514

[wp] memvar frame

See merge request frama-c/frama-c!2509

[sanitizer] Update to OCaml 4.05 (use of Buffer.truncate).

Closes #725

See merge request frama-c/frama-c!2513

[Eva] Local configuration of subdivisions

See merge request frama-c/frama-c!2496

[Eva] Checks consistency between the builtin type and the replaced C function

Closes #671

See merge request frama-c/frama-c!2499