initial commit for TelosB support
implemented stdin for TelosB
added board dependent part of the cc2420 for TelosB
fixed interrupt implementation (#27)

removed TIMERB0 interrupt (since we don't use SFD information for now)

enable FIFOP interrupt in init_interrupts()
Force Git to ignore backup files
Updated the MCU frequency from 800 KHz to (a more likely) 8 MHz.
Merge pull request #26 from OlegHahm/telosb

Telosb support
fix Makefile.dep

remove cc1100 cruft
model ltc4150 dependency
Merge pull request #28 from LudwigOrtmann/Makefile.dep

fix native/Makefile.dep
added objcopy flags to makefiles for all platforms
Merge pull request #29 from OlegHahm/objcopy_flags

added objcopy flags to makefiles for all platforms
define radiopacket_length_t in board.h
switch thread instead of exiting context

lpm_sleep is always being called from within a thread context, not
from an isr context, therefore it should use thread_yield instead of
cpu_switch_context_exit.
handle stdin EOF
Merge pull request #34 from LudwigOrtmann/fix_native_handle_uart0_input

switch thread instead of exiting context, handle EOF
Merge pull request #32 from mehlis/radio-packet

define radiopacket_length_t in board.h