default-native project initial import
use LEDs
toggle red led instead of setting
import old pingpong* and test_thread* projects
add missing bin/.gitignore to default-native
removed stale Jamfiles
import old test_getpid and test_shell
import old test_hwtimer, test_hwtimer_basic, test_sleep
add board.h import
import old test_float
Merge remote-tracking branch 'upstream/master'
renamed makefiles
renamed makefile references within Makefiles
Merge pull request #2 from LudwigOrtmann/master

default-native project and import of some old test projects