Update project files and build scripts to reflect bootloader merges of common code to support Atmel SAM3U
Update ATSAM3U2C device descriptor to report USB 2.0 (high speed compatibility)
Update project file and required files to merge nrf51822 support. No hex support but atsam3u initial merge into debug app. Contributions by gamnes. grep directpry to remove all < > type includes. Was making reference to local installation of Keil middleware rather than repo files