DSD-1820 fix buttonUsage gui

See merge request !351

regression from b3579b5d

Do not show button usage settings for BL-KM200

See merge request !350

Seems that BK-KM200 do have button settings (logic for showing/not
showing button usage was coupled to that), but button usage must not be shown.

So add an extra check for BL-KM200 specifically.

implements #dsd-1820

cache update status UI improvements

See merge request !349

implements #dsd-3086

implements #dsd-3086

implements #dsd-3086

Instead of just "h" and "m" spell the words out, respecting plural
forms.

implements #dsd-3086

implements #dsd-3086

Requirement:
improve the "manual update" button: Have it active only of the status is <100% and the readout is currently not running.

implements #dsd-3086

implements #dsd-3086

implements #dsd-3086

DSD-3203 change awning class 3 to 13.3m/s

See merge request !348

Fix sensors tab

See merge request !347

Remove leading and trailing whitespaces from floor name

See merge request !346

Do this before the length check to ensure that empty floors can not be
created.

implements #dsd-3228

Prevent call to dSS when floor name is empty

See merge request !345

dSS would give an error too when a floor name is not given, but we can
catch it earlier as well to prevent the AJAX call.

implements #dsd-1981

Make floor names bold in zone view

See merge request !344

implements #dsd-1981

button usage feature

See merge request !341

various floor related fixes

See merge request !343

display input mode cell as grey text if its unused (according new requirements)

implements #dsd-1820

implements #dsd-1820

implements #dsd-3183

implements #dsd-3178

implements #dsd-3176