modernize test_at86rf231/Makefile
modernize hello-world-blinker/Makefile
hello-world-blinker/Makefile: add BOARD_WHITELIST
modernize hello-world-thread/Makefile
modernize hello-world-timer/Makefile
hello-world-timer/Makefile: add BOARD_BLACKLIST
modernize lm75A-temp-sensor-i2c/Makefile
lm75A-temp-sensor-i2c/Makefile: add BOARD_WHITELIST
remove unneeded include and trailing blank line
modernize lpc2387-external-interrupts/Makefile
lpc2387-external-interrupts/Makefile add BOARD_WHITELIST
modernize pingpong/Makefile
modernize sixlowpan/Makefile
remove unneeded include and trailing blank line
modernize srf02-ultrasonic-sensor-i2c/Makefile
modernize srf08-ultrasonic-sensor-i2c/Makefile
remove unneeded include and trailing blank line
tlayer/Makefile add BOARD_WHITELIST
test_random/Makefile: add BOARD_BLACKLIST
test_crypto/Makefile: add BOARD_BLACKLIST