fix register_interrupt callback parameter
fix hwtimer_arch_set_absolute return value
fix broken warning
fix warning for sa.sa_sigaction assignments
fix unused startup parameter warnings
fix unused parameter warning in posix-rtc.c
Change interface cb parameter to function pointer
Merge pull request #151 from LudwigOrtmann/issue_147

fixes Issue 147
Merge pull request #157 from mehlis/crypto

remove broken warning, this is a compiler bug not a RIOT problem
fixed hwtimer on msp430
add a handler for the heap state
reverted license change from 0634f21542cfaf9a70c85e2154bc88435967fa9c
Merge pull request #175 from overflowed/master

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
Merge pull request #168 from mehlis/random

add mersenne twister
use debug instead of printf
added missing initialization for cc2420 abort counter