examples/riot_and_cpp: cleanup in Makefile

removed some deprecated comments about C++
boards: initial import for HiKoB fox
Merge pull request #2028 from haukepetersen/fix_riotandcpp_makefile

examples/riot_and_cpp: cleanup in Makefile
cpu/sam3x8e: made _kill(_r) syscalls weak
boards: enabled C++ for arduino-due and udoo
cpu/lpc1768: made _kill(_r) syscalls weak
Merge pull request #2031 from haukepetersen/fix_sam3x_cpp

ACK then ;)
and go!
board/mbed_lpc1768: enabled C++ support
Merge pull request #2034 from haukepetersen/fix_mbed_cpp

board/mbed_lpc1768: enabled C++ support
Merge pull request #1635 from thomaseichinger/import_agilefox

boards: initial import for HiKoB Agilefox