Revert "Add a linger_time configuration option on IRC servers"

This reverts commit 5d801ddcd025f68d2ec91edf0462091a32c779c1.

Merge branch 'mam_default_limit' into 'master'

Limit of 100 MAM messages, if no other limit has been set by the client

Closes #3256

See merge request !9

Limit of 100 MAM messages, if no other limit has been set by the client

fix #3256

Handle the RSM "max" value in the MAM requests

fix #3255

Apply a few clang-tidy cppcoreguidelines-* fixes

Apply all the clang-tidy performance-* fixes

Apply all the clang-tidy modernize-* fixes

Handle some iq of type='error' as valid ping response

fix #3251

Add the archive ID to messages when they are sent to users

This makes us compatible with mam 6.0

fix #3249

Remove two sneaky log_debug

Add a missing namespace in the server disco#info response

Respond to disco#info on MUC JIDs

Otherwise, some client won’t do MAM, since they don’t know biboumi supports
it.

Add a missing “pass by reference”

Change mam namespace to mam:2, instead of mam:1

Merge branch 'persistent_chans' into 'master'

Add a Persistent option on channels

Closes #3230

See merge request !6

Add a Persistent option on channels

fix #3230

Refactoring louloulibs and cmake

Use OBJECT libraries
Remove the louloulibs directory
Write FOUND variables in the cache

Pass the shared_ptr by reference, to avoid useless copies

Fix the order of from and to address in muc traffic info reply

And add a test for it.

fix #3238

Fix the previous commit

fix #3231