Move common part of Action::_notify() to CM
Move common part of Action::_notify() to CM

vogdb/cm,vogdb/cm,mariansollmann/CM,njam/CM,fauvel/CM,alexispeter/CM,tomaszdurka/CM,fvovan/CM,vogdb/cm,fauvel/CM,njam/CM,fauvel/CM,njam/CM,vogdb/cm,vogdb/cm,cargomedia/CM,mariansollmann/CM,cargomedia/CM,fauvel/CM,cargomedia/CM,christopheschwyzer/CM,christopheschwyzer/CM,christopheschwyzer/CM,tomaszdurka/CM,fvovan/CM,alexispeter/CM,alexispeter/CM,njam/CM,fvovan/CM,mariansollmann/CM,cargomedia/CM,alexispeter/CM,fauvel/CM,tomaszdurka/CM,zazabe/cm,zazabe/cm,mariansollmann/CM,fvovan/CM,tomaszdurka/CM,njam/CM,zazabe/cm,tomaszdurka/CM,zazabe/cm,christopheschwyzer/CM