clarify: while loop without body is correct here
prevent double include of debug.h
main should always return int

this fixes some compiler warnings
Merge pull request #46 from mehlis/master

fix some more compiler warnings found by clang
* changed transceiver_type_t to bit field

 (fixing #47)
* cast main function in kernel_init to match prototype
fix warnings due to unapropriate prototypes
fix ICMP type is DIS
Merge remote-tracking branch 'origin/sixlowpan_fixes'
* cleaned up output from Makefiles
fix context switch in lpm_sleep
use out parameter for vtimer_now
add missing &
remove context switch in native lpm_sleep
quick fix for now
Remove undefined variables from Makefiles

The following variables are included in various Makefiles but never
defined.

    $(BOARDINCLUDE)
    $(PROJECTINCLUDE)
    $(CPUINCLUDE)
Merge pull request #53 from mehlis/include

Remove undefined variables from Makefiles
Merge pull request #51 from mehlis/vtimer

use out parameter for vtimer_now
Merge branch 'master' into wsn430
fixed missing include
fixed debug line