See PR #7593

move from legacy precise to trusty build image
fix PATH not including buildroot/bin
remove symolic link to ~/bin as trusty travis image doesn't include it in PATH anyway

TravisCI "trusty" build dist isn't picking up build path causing travis checks to fail.  Reverting to legacy "pristine" dist while we investigate

spi.h renamed to avoid conflicts with base libraries

* Add MAX7219_DEBUG to Travis CI testing

* Tweak config and use standard pin naming for MAX7219_DEBUG

* MAX7219: Apply coding standards, use macros, etc.

* Make code work...

This modify give SERVO_DELAY x servo basis

move from legacy precise to trusty build image
fix PATH not including buildroot/bin
remove symolic link to ~/bin
enable sudo

trusty travis image doesn't source ~/bin by default
avr requires sude

TravisCI "trusty" build dist isn't picking up build path causing travis checks to fail.  Reverting to legacy "precise" dist while we investigate

pristine != precise

Connected as described at http://printrbot.com/shop/led-strip/

Based on patch by Kelly Anderson <kelly@xilka.com> at
http://www.xilka.com/printrbot/marlin/1.1.4/20170707/

Fixes #7250

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add test to Travis

Add support for the PCA9632 PWM color LED driver used on the Ultimaker 2 and Wanhao Duplicator 6.

The menu (commands / scripts) is configurable in `Configuration_adv.h`.

- Added conditionals.
- Changed script handling.
- Slimmed and working!
- Added Status message.
- Returning to lcd status screen now!
- Example Configs Updated.
- Cleanups by @thinkyhead

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make changes requested by reviewers

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add M43 test to Travis, fix EOL, remove trailing spaces

In the endstop testing section, add the "reverse" logic in addition to "normal" core handling.

In CoreXY/YZ/XZ steppers rotating the same direction gives X movement. Opposing directions produces Y movement.

In CoreYX/ZY/ZX this is reversed. Same = Y, Opposite = X.

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Fixes the issue where the Y endstop was being checked when moving in the X direction, etc.