doc: reworked manpage olsrd(8)
doc: reworked manpage olsrd(8)

brabander/olsr,sebkur/olsrd,acinonyx/olsrd,servalproject/olsr,ninuxorg/olsrd,ninuxorg/olsrd,zioproto/olsrd,ralisi/olsrd_cl_roam,diogomg/olsrd-binary-heap,cholin/olsrd,tdz/olsrd,nolith/olsrd,cholin/olsrd,ralisi/olsrd_cl_roam,ralisi/olsrd_cl_roam,duydb2/olsr,sebkur/olsrd,diogomg/olsrd,servalproject/olsr,tdz/olsrd,cholin/olsrd,duydb2/olsr,diogomg/olsrd,ninuxorg/olsrd,nolith/olsrd,diogomg/olsrd-binary-heap,duydb2/olsr,tdz/olsrd,nolith/olsrd,ninuxorg/olsrd,diogomg/olsrd-binary-heap,servalproject/olsr,zioproto/olsrd,acinonyx/olsrd,brabander/olsr,tdz/olsrd,duydb2/olsr,sebkur/olsrd,zioproto/olsrd,brabander/olsr,diogomg/olsrd-binary-heap,servalproject/olsr,sebkur/olsrd,diogomg/olsrd,ralisi/olsrd_cl_roam,acinonyx/olsrd,servalproject/olsr,diogomg/olsrd,duydb2/olsr,duydb2/olsr,diogomg/olsrd-binary-heap,zioproto/olsrd,cholin/olsrd,diogomg/olsrd-binary-heap,duydb2/olsr,acinonyx/olsrd,brabander/olsr,tdz/olsrd,ninuxorg/olsrd,cholin/olsrd,servalproject/olsr,sebkur/olsrd,nolith/olsrd,sebkur/olsrd,zioproto/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,diogomg/olsrd,acinonyx/olsrd,nolith/olsrd,diogomg/olsrd,duydb2/olsr