added missing defines for stm32f407vgt6 cpu-conf
removed static and inline from irq functions
added Makefile.include for stm32f407vgt6
moved interrupt functions from header to c file
added a dummy for hwtimer_arch_set_absolute
added copyright, license, and doxygen header
moved scheduler related functions from atom.c to cpu.c
replaced tabs with spaces
removed inactive code
introduce prototype for sched_task_return and added missing header includes
Merge pull request #4 from OlegHahm/stm32f407vgt6_fixes

Stm32f407vgt6 fixes