changed RALT to LALT on Windows

fixed comments

Update readme.md

Update readme.md

updated readme

added close key for alt-f4 macro

added a toggle between Mac and Windows base layers (with swapped cmd and ctrl)

Merge pull request #786 from mannkind/patch-1

Fix lets_split.c so that audio can be disabled

Fix lets_split.c so that audio can be disabled

Matching the use of `#ifdef AUDIO_ENABLE` used in `matrix_init_kb()` in order to compile firmware for the Let's Split keyboard without audio enabled.

Merge pull request #785 from jcowgar/master

Added Jeremy’s Atreus Layout

Merge pull request #784 from Dbroqua/master

Added dbroqua layout for HHKB keyboard

Merge pull request #781 from cbbrowne/master

Recent enhancements to keyboard map

Added Jeremy’s Atreus Layout

- Added dbroqua layout for HHKB keyboard

Merge pull request #5 from jackhumbert/master

Merge from jackhumbert

Merge branch 'master' of github.com:jackhumbert/qmk_firmware

Disables sleep LED by default

Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware

Merge pull request #778 from TerryMathews/master

Establish support for TADA68

Merge pull request #776 from DidierLoiseau/issue-772

Fix issue #772 Meh and Hyper not working