Merge branch 'master' of github.com:RIOT-OS/RIOT

core/include/atomic.h

core/include/bitarithm.h

core/include/clist.h

core/include/debug.h

core/include/hwtimer.h

core/include/hwtimer_arch.h

core/include/kernel.h

core/include/kernel_intern.h

core/include/lpm.h

core/include/msg.h

core/include/mutex.h

core/include/oneway_malloc.h

core/include/queue.h

core/include/sched.h

core/include/tcb.h

core/include/thread.h

core/kernel_init.c

core/sched.c

cpu/arm_common/bootloader.c

cpu/arm_common/hwtimer_cpu.c