[SQUASH ME] Rename basic_net to netapi

To avoid confusion about the purpose of the API
[SQUASH ME] dummy_mac: apply rename of basic_net to netapi
[SQUASH ME] rename dummy_mac to basic_mac because the name was stupid
[SQUASH ME] transceiver: apply renames to netapi and basic_mac
[SQUASH ME] unittests: apply rename
[SQUASH ME] nativenet_netapi: apply rename