The following patch adds new options and alters the default behavior of the...

The following patch adds new options and alters the default behavior of the ENUM* functions. The TXCIDNAME lookup function has also gotten a 
new paramater. The new options for ENUM* functions include 'u', 's', 'i', and 'd' which return the full uri, trigger isn specific rewriting, look 
for branches into an infrastructure enum tree, or do a direct dns lookup of a number respectively. The new paramater for TXCIDNAME adds a 
zone-suffix argument for looking up caller id's in DNS that aren't e164.arpa.

This patch is based on the original code from otmar, modified by snuffy, and tested by jtodd, me, and others.

(closes issue #8089)
Reported by: otmar
Patches:
      20080508_bug8089-1.diff 
	- original code by otmar (license 480), 
	- revised by snuffy (license 35)
Tested by: oej, otmar, jtodd, Corydon76, snuffy, alexnikolov, bbryant


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@115584 65c4cc65-6c06-0410-ace0-fbb531ad65f3