It is used by Makefile.base so should be exported globally even if only
defined by `llvm.inc.mk` for the moment.

drivers/vcnl4010: initial implementation

pkg/semtech-loramac: use internal eeprom to store lorawan config (deveui, appeui, etc)

Add note about save and erase loramac subcommands

cpu, periph_gpio: mark closing #endif for MODULE_PERIPH_GPIO_IRQ

net/nanocoap: add module documentation

Adding additional information about the default uart configuration to the bluepill docs

coap: Replace `COAP_CT_` with `COAP_FORMAT_`

boards/remote-revb: Update broken link in readme

COAP_CT_ style defines for the content types are deprecated in favour of
COAP_FORMAT_ style defines. COAP_FORMAT_ is expanded to include any
missing content type that was available with COAP_CT_.

Replaces all occurences of COAP_CT_.* with COAP_FORMAT_.*

make: fix info-objsize column name position

pkg: add libb2 (BLAKE2)

nanocoap: add server-side block2 support

tools/pr_check: adapt for label categorization

Doc: initial RIOT developer memo + directory structure

net: add full CoRE Resource Directory endpoint implementation

sys/arduino: add docs for analog map (strictly needed to build)

sys/arduino: add possibility to customize Arduino serial port at compile time