Move attributes related functions out of Cil

See merge request frama-c/frama-c!4910

Undef unsupported macros

Closes #910

See merge request frama-c/frama-c!4891

Split Datatype.With_collections into With_set_and_map and With_hashtbl

Closes #1451

See merge request frama-c/frama-c!4903

[Userman] Use plugin's shortname for share path

See merge request frama-c/frama-c!4924

[kernel] Indicates message truncation, and only truncate messages on terminal.

Closes #1244

See merge request frama-c/frama-c!4911

(Messages emitted via Log.printf are never truncated.)

Rich_text: do not silently truncate buffers, but export function [truncate].
Log: uses [Rich_text.truncate] on messages printed on terminal, and prefix
     truncated messages to indicate the truncation.

[ci] Change scale of coverage

See merge request frama-c/frama-c!4917

Keep 4 decimal digits for the coverage to better see changes in the
mountain of code.

[Kernel] ignore unsupported attributes to avoid warnings

See merge request frama-c/frama-c!4869

Feature/martin/kernel/use record for types

See merge request frama-c/frama-c!4842

Add a record with 2 fields : tnode and tattr

[Eva] Replaces environment variable FRAMA_C_MEMORY_FOOTPRINT by an Eva parameter -eva-cache-size

See merge request frama-c/frama-c!4874