Fixes minor compilation issue.

Fixes the error that it run into SOS once enabling the HCI UART inter…

…rupt.

Bumps versions to 0.3.1

Bumps system versions to 0.3.0

Fixes the bug if compiling sketch on Particle IDE, it fails to identi…

…fy D8 and so on.

Bump versions for 0.2.3

 Bump versions for 0.2.3-rc.2

Fixes the dynalib location error

Update bootloader array for Duo

Update the bootloader firmware array