Tools: update scripts to build all firmwares for all VR boards
build: added and modified scripts to build for all VR boards
AP_Airspeed: added #defines for new VR boards.
AP_BattMonitor: added new VR boards and corrected volt divider default
AP_HAL: added new VRBRAIN boards and new subtypes
AP_HAL_VRBRAIN: updates to libraries for new boards
AP_InertialSensor: correction to AP_InertialSensor_VRBRAIN
AP_Rangefinder: added support for VRBRAIN boards
DataFlash: added new VRBRAIN boards
AP_Airspeed: added VRBRAIN board type
AP_InertialSensor: use PX4 library for VRBRAIN boards.
AP_RangeFinder: added VRBRAIN to use PX4 libraries
AP_Rangefinder: added #if for VRBRAIN boards.
AP_Notify: use RGB driver for board led in VRBRAIN boards.