* Branch point for 2020 May 30 Breaking Change
* Migrate `ACTION_LAYER_TOGGLE` to `TG()` (#8954)
* Migrate `ACTION_MODS_ONESHOT` to `OSM()` (#8957)
* Migrate `ACTION_DEFAULT_LAYER_SET` to `DF()` (#8958)
* Migrate `ACTION_LAYER_MODS` to `LM()` (#8959)
* Migrate `ACTION_MODS_TAP_KEY` to `MT()` (#8968)
* Convert V-USB usbdrv to a submodule (#8321)
* Unify Tap Hold functions and documentation (#8348)
* Changing board names to prevent confusion (#8412)
* Move the Keyboardio Model01 to a keyboardio/ subdir (#8499)
* Move spaceman keyboards (#8830)
* Migrate miscellaneous `fn_actions` entries (#8977)
* Migrate `ACTION_MODS_KEY` to chained mod keycodes (#8979)
* Organizing my keyboards (plaid, tartan, ergoinu) (#8537)
* Refactor Lily58 to use split_common (#6260)
* Refactor zinc to use split_common (#7114)
* Add a message if bin/qmk doesn't work (#9000)
* Fix conflicting types for 'tfp_printf' (#8269)
* Fixed RGB_DISABLE_AFTER_TIMEOUT to be seconds based & small internals cleanup (#6480)
* Refactor and updates to TKC1800 code (#8472)
* Switch to qmk forks for everything (#9019)
* audio refactor: replace deprecated PLAY_NOTE_ARRAY (#8484)
* Audio enable corrections (2/3) (#8903)
* Split HHKB to ANSI and JP layouts and Add VIA support for each (#8582)
* Audio enable corrections (Part 4) (#8974)
* Fix typo from PR7114 (#9171)
* Augment future branch Changelogs (#8978)
* Revert "Branch point for 2020 May 30 Breaking Change"
* TKC1800: refactor
- tkc1800.h
- updated to use #pragma once
- visual alignment
- update config.h files to use #pragma once
- update all keymaps to use #include QMK_KEYBOARD_H
- delete redundant mod mask, KC_TRNS, and KC_NO definitions
- reformat keymap layers for readability
- add block comment for Function layer in default keymap
- delete commented action_get_macro code blocks (deprecated function)
- update files to better conform with QMK coding conventions
- update smt keymap to use set_single_persistent_default_layer (instead of persistent_default_layer_set)
- replace instances of `?=` with `=` in rules.mk
* TKC1800: Configurator visual fixes
- correct key sizes and positioning
- reformat file so each physical key object has its own line for readability
- update and add `label` keys for readability
* TKC1800: readme update
- fix image gallery link
- update Hardware Supported and Hardware Availability lines
- update make example (add :default suffix)
- update QMK Docs links (Newbs Guide; grammar)
* Add missing semicolons to smt keymap
James Young
Yan-Fa Li