UAVCAN v1 bridge

- NuttX stm32f4/stm32f7 uses character device driver
 - NuttX kinetis and s32k uses socketcan

Tools/astyle/files_to_check_code_style.sh

@@ -12,6 +12,7 @@ exec find boards msg src platforms test \
     -path platforms/nuttx/NuttX -prune -o \
     -path platforms/qurt/dspal -prune -o \
     -path src/drivers/uavcan/libuavcan -prune -o \
+    -path src/drivers/uavcan_v1/libcanard -prune -o \
     -path src/drivers/uavcan/uavcan_drivers/kinetis/driver/include/uavcan_kinetis -prune -o \
     -path src/lib/ecl -prune -o \
     -path src/lib/matrix -prune -o \

Tools/setup/requirements.txt

@@ -6,6 +6,7 @@ empy>=3.3
 jinja2>=2.8
 matplotlib>=3.0.*
 numpy>=1.13
+nunavut
 packaging
 pandas>=0.21
 pkgconfig