Blind control HmIP-BBL

[zapccu]

https://forum.fhem.de/index.php?topic=131417.0

[zapccu]

HMCCU now supports values 1.01 and 1.005 for blinds.

Added new commands to control slats:

• set pctSlats
• set openSlats
• set closeSlats
• set allLevels