Exec logic (Lua): New, simpler way for finding exec policies
Exec logic (Lua): New, simpler way for finding exec policies

- avoid find_rule() which belongs to the mapping logic,
  i.e. removes one dependency between exec- and mapping code
  (Lua implementations)

ldbox/ldbox,ldbox/ldbox,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,OlegGirko/ldbox,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,h113331pp/scratchbox2,OlegGirko/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,ldbox/ldbox,h113331pp/scratchbox2,OlegGirko/ldbox,h113331pp/scratchbox2