Re-added compiler optimizations
Re-added compiler optimizations

duydb2/olsr,duydb2/olsr,duydb2/olsr,cl4u2/olsrd-wot-pgp,servalproject/olsr,cholin/olsrd,sebkur/olsrd,acinonyx/olsrd,acinonyx/olsrd,tdz/olsrd,zioproto/olsrd-gsoc2012,sauloqueiroz/incremental-spf,tdz/olsrd,diogomg/olsrd,cholin/olsrd,tdz/olsrd,servalproject/olsr,diogomg/olsrd-binary-heap,nolith/olsrd,cholin/olsrd,diogomg/olsrd-binary-heap,tdz/olsrd,cl4u2/olsrd-wot-pgp,diogomg/olsrd-binary-heap,cholin/olsrd,zioproto/olsrd-gsoc2012,diogomg/olsrd-binary-heap,sebkur/olsrd,diogomg/olsrd,duydb2/olsr,zioproto/olsrd,nolith/olsrd,acinonyx/olsrd,zioproto/olsrd,diogomg/olsrd,duydb2/olsr,duydb2/olsr,servalproject/olsr,zioproto/olsrd-gsoc2012,sebkur/olsrd,zioproto/olsrd-gsoc2012,diogomg/olsrd-binary-heap,zioproto/olsrd,diogomg/olsrd-binary-heap,diogomg/olsrd,diogomg/olsrd,cl4u2/olsrd-wot-pgp,ninuxorg/olsrd,diogomg/olsrd,sauloqueiroz/incremental-spf,nolith/olsrd,sauloqueiroz/incremental-spf,servalproject/olsr,ninuxorg/olsrd,nolith/olsrd,nolith/olsrd,ninuxorg/olsrd,servalproject/olsr,acinonyx/olsrd,diogomg/olsrd-binary-heap,sebkur/olsrd,ninuxorg/olsrd,diogomg/olsrd,duydb2/olsr,zioproto/olsrd-gsoc2012,tdz/olsrd,sauloqueiroz/incremental-spf,duydb2/olsr,cl4u2/olsrd-wot-pgp,zioproto/olsrd-gsoc2012,acinonyx/olsrd,zioproto/olsrd,zioproto/olsrd,servalproject/olsr,ninuxorg/olsrd,cholin/olsrd,cl4u2/olsrd-wot-pgp,sebkur/olsrd,sebkur/olsrd