BIND 10 #1963: in-memory NSEC cleanups

[BIND 10 Development]

#1963: in-memory NSEC cleanups
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |                       Status:  new
            Priority:  medium        |                    Milestone:  Next-
           Component:  data source   |  Sprint-Proposed
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:  in-
         Total Hours:  0             |  memory NSEC
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 As we are now going to start concurrent development for this feature,
 it's quite likely that we'll end up having some duplicate or otherwise
 redundant code.  This ticket is a placeholder to clean up these things.

 Feature wise it's not absolutely mandatory, so I'm placing it in the
 next sprint proposed queue, rather than to the current sprint.

 This task depends on #1803, #1804, #1805, #1806, #1807, #1808, #1809,
 (maybe #1810), and #1962.

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Ticket URL: <http://bind10.isc.org/ticket/1963>
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