Apply all the clang-tidy misc-* fixes

Apply all the clang-tidy modernize-* fixes

Refactoring louloulibs and cmake

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

Little refactor in timed_events

Also makes the coverage code deterministic

Fix the timeout test, now that we don't wait 1ms too much everytime

Remove all usage of std::list

Style fix

Move all constructors at the top of classes

louloulibs is directly included, instead of being a submodule

Because this is a nightmare to manage