Use epoch based table ids by default

The initial implementation of CEP-21 depends on the use of deterministic table identifiers, as the table creation itself is performed by each node locally. This is suboptimal as recreating a previously dropped table can lead to the old data directory and files on disk, as well as CFIDs in the commit log being incorrectly associated with the new table.
As the epoch gives us a unique identifier for each creation event, we can base the table id on that to ensure uniqueness.

Implementation can be found in:
https://github.com/beobal/cassandra/commit/89a0a2bfb0d1646e8057d9bb69f8ce558ef3b483

CI summary results attached. For right now, we've only been foccussing on unit tests, in-jvm & python dtests, so the failures in other suites are to be expected. Unfortunately, the archive containing the detailed results is too large to attach as a single file, so will look into the best way to work around that.
The intention is to fix all suites before merging the feature branch.