fix for #25 by using mutexes for hwtimer_wait
remove superfluous semicolons
Merge pull request #109 from mehlis/removed-semicolons

remove superfluous semicolons
fix changed prototype parameter 1 of thread_stack_init from void* to void(*)(void)
Merge pull request #110 from mehlis/master

fix changed prototype parameter 1 of thread_stack_init from void* to void(*)(void)
initial bloom filter import
add oneway calloc
moved doc to header and converted it to doxygen
Merge pull request #114 from mehlis/bloom-filter

initial bloom filter import
Merge pull request #105 from OlegHahm/hwtimer_wait

fix for #25 by using mutexes for hwtimer_wait
Merge pull request #113 from mehlis/oneway-calloc

add oneway calloc
add sha256 implementation
Eliminate multiline macros, embrace C99
Fix byteorder problems
added doxygen doc to sha256
add a barrier for msba2 due to wrong results
Merge pull request #96 from mehlis/sha256

add sha256 implementation
add missing include for mutex
use std include style
remove unused static function