#312215 by rondp: Added foreign key support.

- #226135 by smk-ka:
  - Added MySQLi support.
  - Setting SQL_MODE for new dumps to avoid generating auto values when
    encountering a zero value for a serial field.
- by smk-ka: Fixed the generation of the table list for multiple database
  prefixes.

Fixed the new version check for legacy dumps.

#175498 by smk-ka: Added version number to dumps to distinguish new-style from legacy dumps that included the watchdog table.
Added translation template and German translation.

Added sort snapshots by date.
Added changelog.

Excluding watchdog table from dump/restore. Watchdog will stay intact even after restore.

Added 'Reset now' block.