* Introduce MAILCOW_PASS_SCHEME in order to support blowfish (cf. mailcow/mailcow-dockerized#1019)
* Furthermore added dovecot to support new environment varible for MAILCOW_PASS_SCHEME defaulted to SSHA256
* Revert changes regarding gitignore.
* Added fallback to SSHA256 if environment is not proper prepared.
* No fallback within management frontend, as it must match to other components.
* Unified and corrected alignment; implemented support of SSHA512
* Currently, password_hash of PHP is using by default bcrypt (BLF). As this might change later, we must ensure, that BLF is still used after PHP changes its default.
* Switched to BLF-CRYPT by default (even on update)
* Switched to BLF-CRYPT by default (even on update)
* Adding information in config generation / update with link to supported hash algorithm
* Bump sogo version to 1.92
* Fallback to BLF-CRYPT in case password scheme is not proper defined for Mailcow administration.