fix for menu flow control not coming out of menu loop
reworked spaces to use a single string. just 24 bytes for all that effort!
small refactorings, saves 12 bytes
committed missing BrewString files
room temp alternates with fridge temp
refactor menu time to use seconds
menu optimizations saves 50 bytes
menu optimizations.
wrong type for timer
rename blink argument to hide to be more consistent.
Add BrewPiStrings h/cpp to project