introduce setPermissions() on CM_File
introduce setPermissions() on CM_File

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