fix printf macro
Merge pull request #418 from mehlis/vtimer-printf

vtimer: fix printf macro
clean up native hwtimer
fix native hwtimer unsetting

reverts bug introduced by 2bfb062
Merge pull request #420 from LudwigOrtmann/native_hwtimer_fixup

Native hwtimer fixup
use CC1100_NOBYTE consistently (fixing #129)
Merge pull request #422 from OlegHahm/nobyte

use CC1100_NOBYTE consistently (fixing #129)
Fixed doxygen comments, focused on file headers and group definitions
Fixed a lot of comments by removing tabs and correcting format.
Added the boards folder to the doxygen tree

- added boards to riot.doxyfile
- fixed group definitions for all boards
Fixed doxygen inconsistensies in sys
Merge pull request #251 from haukepetersen/comments

Fixed doxygen comments, focused on file headers and group definitions
add documentation for auto_init (fixes #43)