Make tidstorage-repozo arguments more readable.

Split line more naturally (don't separate switch from related argument).
Use long options instead of abbreviations.
Accelerate repozo by loosening checks.

Loosened checks are considered safe enough, and the speedup on many-GB
FileStorage files is significant.
Make ERP5 SR able to deploy an ERP5 cluster.
Add a mysql_tzinfo_to_sql wrapper for mariadb and remove --no-default param

vincent: Minor fixes. Move branch switch to a separate commit.
Switch branch.