Werk #6072: humidity.include: Allow levels which are zero

ComponentChecks & Agents
Titlehumidity.include: Allow levels which are zero
Date2018-05-09 12:18:40
Checkmk EditionCheckmk Raw Edition (CRE)
Checkmk Version1.6.0b1
LevelTrivial Change
ClassBug Fix
CompatibilityCompatible - no manual interaction needed