Fix US_RDQU keycode (qmk#13464)

`US_RDQU` and `US_LDQU` were aliased to the same keycode. `US_RDQU`
should use the right bracket.

Add fix for brew upgrade (qmk#12921)

Add a fix for `brew upgrade` so only formulae is upgraded and not casks

[Core] [Docs] Remove travis-ci references (qmk#13916)

Fix AT90USB64/128 bootloaders (qmk#14064)

Fix shell port bug in computation of QMK_FIRMWARE_DIR (qmk#13950)

Previous code would fail if cd echoes the tathet directory to stdout,
which is pretty common.  Redirecting its output to /dev/null
solves the problem.

Add padding to LUFA-MS .BIN files (qmk#13922)

Avoid name conflicts with usb_hid Arduino code (qmk#13870)

* Avoid name conflicts with usb_hid Arduino code

* Fix tests

Add bootloader section to keyboard template (qmk#13774)

* Add bootloader section to keyboard template

* Apply suggestions from code review

Co-authored-by: Ryan <[email protected]>

Co-authored-by: Ryan <[email protected]>

Fix overflows in WPM calculations (qmk#13128)

* Fix overflow in WPM calculations.

First, the "fresh" WPM calculation could end up being up to 12000 (with
default `WPM_ESTIMATED_WORD_SIZE`) if keys were pressed more or less
simultaneously. This value has now been clamped down to 255, in effect
clamping WPM to its max value of 255.

Second, with `WPM_ALLOW_COUNT_REGRESSION` enabled, it was possible to
regress the WPM below 0 (i.e. to 255) by just repeatedly pressing
backspace.

* Fix WPM being limited to 235 due to float/int logic.

flash_stm32: don't unlock flash if already unlocked (qmk#13841)

On stm32f4 after reboot from DFU it was observed that the flash is
already unlocked. In that case, attempting to unlock it again causes a
data abort.