Change analysers for water and lighting subsys

[Willmish]

• [ ] For water: If humidity too low, turn on pump fgor N seconds and schedule interrupt to stop. Block pumping more water for X seconds (let the water soak in the soil. (dont use pid at all?)
• [ ] For lighting: tune the light slightly until it reaches solid brightness
• [ ] for humidty: dont start with full blast of fans, store prev values or just start from zero