boards/lobaro-lorabox: Add initial support for Lobaro Lorabox board

boards/lobaro-lorabox/Makefile

boards/lobaro-lorabox/Makefile.dep

boards/lobaro-lorabox/Makefile.features

boards/lobaro-lorabox/Makefile.include

boards/lobaro-lorabox/board.c

boards/lobaro-lorabox/doc.txt

boards/lobaro-lorabox/include/board.h

boards/lobaro-lorabox/include/gpio_params.h

boards/lobaro-lorabox/include/periph_conf.h

examples/javascript/Makefile

examples/lua_REPL/Makefile

examples/lua_basic/Makefile

tests/unittests/Makefile