Add THEKERNEL which accesses the Kernel Singleton from anywhere
Merge pull request #172 from wolfmanjm/feature/get_public_value_event

Feature/get public value event
THEKERNEL singleton

Motion Tested on hbot
Merge branch 'upstreamedge' into fix/version-makefile
Merge pull request #174 from wolfmanjm/fix/version-makefile

Fix/version makefile
Merge branch 'upstreamedge' into vikilcd

Conflicts:
	src/libs/Kernel.cpp
	src/libs/Kernel.h
drop i2c freq again and switch to p0_0 p0_1
Move digipot to currentl control module
add config to select digipot chip to use
add example ad5206.h chip skeleton
rename digipot to mcp4451.h
add config settings for jogging feedrate for each axis
added ad5206 implemente by Wulfnor
fix whitespace tabs -> spaces
Merge pull request #175 from wolfmanjm/feature/allow-different-digipots

Feature/allow different digipots
Merge branch 'upstreamedge' into vikilcd
reduce freq
add prepare menu
add set home and home to prepare menu