Add TimedState class
Make Sliding window data fixed size.

Malloc / free just doesn't work well
show standard deviation on display in ReadyState
BUG FIX: don't go past the end
Add 'TurnOff()' helper function to MultiColorLED
Add 'trends' concept. Implement IsRising & IsFalling

reimplement IsStable
Make LED pulse blue during warm up
Start implementing post sample state(s)
add consistency to TurnOn / TurnOff functions
Make BoozeSensor keep track of Maximum reading

And post an event when it changes
lots of changes. almost ready.
Merge pull request #7 from PapaMarky/lots_of_stuff

Lots of stuff