experimental libfuncs list used in compilation prevents new classes from being declared

[CHr15F0x]

Observed results:

• new classes that use libfuncs that do not fall into the experimental list cannot be compiled and hence declared.

Fix:

• the audited libfuncs list should be used instead.

[CHr15F0x]

Waiting for an example class def to confirm the issue.

[zvolin]

still useful to enable "all" by config for integration times

[vbar]

still useful to enable "all" by config for integration times

#3311

[zvolin]

Waiting for an example class def to confirm the issue.

Can we close those?