Added BlinkM support over i2c
Added BlinkM support over i2c
Merge https://github.com/timkoster/MarlinBlinkM into Marlin_v1
Define BlinkM default disabled
Added Y_DUAL_STEPPER_DRIVERS

Enables two stepper drivers to be used for the Y axis (useful for
Shapeoko style machines)
Each Y driver can be stepped either the same way or in opposite
directions, accounting for different hardware setups (leadscrew vs. belt
driven)
Revert "Added Y_DUAL_STEPPER_DRIVERS"

This reverts commit 7ee275b620fa055bb2b7516cf302ac3e531438ac.
Added Y_DUAL_STEPPER_DRIVERS

Enables two stepper drivers to be used for the Y axis (useful for
Shapeoko style machines)
Each Y driver can be stepped in either the same way or in opposite
directions, accounting for different hardware setups (leadscrew vs. belt
driven)
Make Y_DUAL_STEPPER_DRIVERS disabled by default
Added #ifdef BLINKM around new code. Also refined BlinkM.h.
Removed #ifndef BLINKM
Fixed merge conflicts
Merge pull request #590 from timkoster/Marlin_v1

Added BlinkM support over i2c
Merge branch 'Marlin_v1' of https://github.com/ErikZalm/Marlin into Marlin_v1
Added ifdefs to blinkm
Small BlinkM fix
Revert "Fix for Viki display"

This reverts commit 314fd13c39e1a5420adfbc9127339da80a1039aa.
Added temperature status less.
Hopefully fixed viky button handling without braking other boards
Merge branch 'Marlin_v1' into mendel90