Changelog:
-add a default Wire for artemis module
-fix low rx causing hangs
-update arduino api to v1.2
-revert i2c change that was causing transfer errors at 100khz
-add SPI_HAS_TRANSACTION define
-add second WIRE for the Explorable
-add platform.json for platformio
-(remove additional targets from attached mbed core)
Changelog: -add a default Wire for artemis module -fix low rx causing hangs -update arduino api to v1.2 -revert i2c change that was causing transfer errors at 100khz -add SPI_HAS_TRANSACTION define -add second WIRE for the Explorable -add platform.json for platformio -(remove additional targets from attached mbed core)