added a dedicated stacksize for float printfs
fix: vtimer_now should return seconds and microseconds
added missing us to ticks macro
fix: 1s = 1000*1000us
add vtimer_get_localtime
add io signal generating child for nativenet in osx
Basic implementation of LPM-related functions for MSP430 MCUs
Sets MCU frequency in 'board.h', instead of the common 'cpu.h' file
created examples folder with six apps
update native README
Added the LPM_UNKNOWN constant to the enum 'lpm_mode'
for respresenting unknown/unavailable LPM-related status.
function 'lpm_get()' now returns LPM_UNKNOWN by default
nativenet clean up

Make nativenet tap payload type consistent with radio_packet_t
Also remove a trailing space
check payload length validity

make sure the payload does not exceed the amount of data received
strip BOARD variable
cosmetics in dist Makefile
fix some findings by the static analyser
remove superflous include
add native flash and term targets

flash does nothing
term starts the project with PORT misused for the tap interface
PORT is unset if nativenet is not used
Merge pull request #487 from LudwigOrtmann/issue_314

add native flash and term targets