Add Connected Line Presentation (COLP) support to chan_dahdi/libpri as an
addition to issue 8824. This is the libpri portion. COLP support is now
available for ETSI PTP, ETSI PTMP, and Q.SIG with this patch.
(closes issue #14068)
Tested by: rmudgett
Review: https://reviewboard.asterisk.org/r/339/
git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@982 2fbb986a-6c06-0410-b554-c9c1f0a7f128
