fix for #25 by using mutexes for hwtimer_wait
Added development procedures and corrected License
added mailing lists and getting started information, fixed some links
added missing include to transceiver
fixed debugging in transceiver (stack size was too small)
Tell Doxygen to ignore __attribute__

Doxygen can't handle it properly (see
http://doxygen.10944.n7.nabble.com/struct-attribute-packed-not-working-td2666.html)
Merge pull request #107 from authmillenon/master

Tell Doxygen to ignore __attribute__
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