Merge pull request #4 from reefangel/dev

Merge upstream changes
Merge pull request #5 from reefangel/dev

Merged upstream changes
Added support for 16 channel PCA9685 expansion
Merge pull request #8 from reefangel/dev

Dev
Merge pull request #9 from reefangel/dev

merge with upstream
Fixes for DisplayLEDPWM, MH, and WATERLEVEL
Better fix for multiwaterlevel in globals
Waterlevel and Multiwaterlevel enhancements
Removed luminance methods.  Float is too big.
Removed luminance methods.  Float is too big.
Merge branch 'dev' of https://github.com/brunnels/Libraries.git into dev
Removed luminance methods
Accidentally checked in ra features
Merge branch 'dev' of git://github.com/reefangel/Libraries into reefangel-dev

Conflicts:
	Globals/Globals.h
	RA_Wifi/RA_Wifi.cpp
checked in features by accident again
Merge branch 'dev' of https://github.com/brunnels/Libraries into dev
checked in features on accident again
Cleaned up unused definitions
Changes on ADK2 to disable SPI
Merge branch 'dev' of https://github.com/brunnels/Libraries.git into dev