fixed hwtimer on msp430
fix macros in the hwtimer
add mersenne twister
Update on @mehlis' Mersene twister code

* Consistent naming
* C99 style variable definition
* Code de-duplication through mathematical conversions
* Less magic numbers (higher powers of twoof two))
fixes for PRNG
change the bloom filter to filter arrays of bytes

current implementation of the bloom filter only
handles c strings, this commits changes the hash
functions to work on byte arrays.

additionally I did:
	added to more hashes
	moved hashes in its own sys folder
use debug instead of printf
added missing initialization for cc2420 abort counter
clean up nativenet, add src addr
documentation for nativenet interface
make tapsetup.sh more verbose
fix NATIVE_MAX_DATA_LENGTH