Upgrade the sounds version; add several directory enhancements:

	1) Number of digits to enter can now be configured
	2) The digits can now match on both first AND last name, instead of only one or the other
(Closes issue #7151)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@110237 65c4cc65-6c06-0410-ace0-fbb531ad65f3