Clarify Atreus support

Merge pull request #117 from coderkun/master

Merge changes for coderkun’s Neo2 layout

add build instructions to readme

correct link and some minor details in readme file

add readme file for coderkun’s Neo2 layout

Merge remote-tracking branch 'upstream/master'

add layers for poor man’s QWERTZ and poor man’s Neo including Neo’s layer 4

Merge pull request #115 from seancaffery/sean/atreus

Add Teensy2 Atreus support

Add Teensy2 Atreus support

audio on reset

missing file

Merge pull request #113 from chschmitz/master

New German layout for ErgoDox, similar to Kinesis Ergo Elan and regular German keyboards

Added .hex file.

Fixed graphics.

Added media layer.

Added links.

Added documentation.

Made all layer change keys momentary. Removed Hyper and Meh in favor of layer 1 and 2 on both halves.

Switched up and down keys to be closer to the vi etc. world.

Fixed circonflex key.