YARP release 2.3.64

YARP release 2.3.63

yarp release 2.3.62

yarp release 2.3.61

yarp release 2.3.60

yarp release 2.3.22

yarp release 2.3.21

yarp release 2.3.20.1

svn path=/tags/yarp-2.3.20.1/; revision=9651; tag=v2.3.20.1

yarp release 2.3.20

svn path=/tags/yarp-2.3.20/; revision=9555; tag=v2.3.20

yarp release 2.3.19

svn path=/tags/yarp-2.3.19/; revision=9264; tag=v2.3.19