BIND 10 #2187: Remove "cout" statements from libdhcp++

[BIND 10 Development]

#2187: Remove "cout" statements from libdhcp++
-------------------------------------+-------------------------------------
            Reporter:  stephen       |                        Owner:
                Type:  enhancement   |                       Status:  new
            Priority:  medium        |                    Milestone:
           Component:  dhcp          |  Sprint-DHCP-20120903
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DHCP          |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 Although BIND 10 DHCP will ultimately use the BIND 10 logging framework,
 to allow use of libdhcp++ outside BIND 10 DHCP, errors etc. will be
 signalled using exceptions. (This is similar to libdns++.)

 This tasks removes the "cout" statements from libdhcp++.  Where it is
 particularly important that something be logged, a "TODO" comment will be
 added - these will be addressed (and the comments removed) when #1545 is
 done.

 Note: #1545 is now dependent on this ticket.

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Ticket URL: <http://bind10.isc.org/ticket/2187>
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