* 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"
* Add universal flash command
* Add bootloader info to I:C boards
* Add support for ATSAM
* Add messages for flash target
* Message cleanup
* Add USB ASP Flashing target
* Make usbasp target more universal
* Add phoney target for usbasp
* Clarify error message when bootloader isn't matched
* build size-check enhancement
Changed to display a warning when the free size of compilation result is less than 512 bytes.
* update message.mk
* add SIZE_MARGIN variable, change default margin 512 to 1024
for Example.
```
$ make SIZE_MARGIN=2048 crkbd:all
$ make crkbd:all ## mergin is 1024
```
* Update message.mk
change message to ‘approaching the maximum’
Co-Authored-By: mtei <2170248+mtei@users.noreply.github.com>
* pull fuse settings for bootloader jump
* fix 32a chips
* make automatic bootloader selection optional
* quantify bootloaders
* fixs #164, speeds up dfu reset
* fix for chips w/o usb
* missing an n
* fix bootloader sizes, use words for addresses
* fix bmini, pearl, and [[ issue, make things quiet
* ignore avr errors on arm for now
* update settings for the light
* document bootloader stuff
* add bootloader title
A single keyboard is always by default compiled in verbose mode.
While multiple keyboards are compiled in silent mode. This can be
overriden by the silent variable from the command line
