BIND 10 #1810: support NO_WILDCARD option in InMemoryZoneFinder::find().

[BIND 10 Development]

#1810: support NO_WILDCARD option in InMemoryZoneFinder::find().
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                   Reporter:         |                 Owner:  jinmei
  jinmei                             |                Status:  accepted
                       Type:  task   |             Milestone:
                   Priority:         |  Sprint-20120515
  medium                             |            Resolution:
                  Component:  data   |             Sensitive:  0
  source                             |           Sub-Project:  DNS
                   Keywords:         |  Estimated Difficulty:  3
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:  in-    |
  memory NSEC                        |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 trac1810 is ready for review.

 Like others, it first merged #1803 and #1805.  It also merged #1809.
 The real changes to be reviewed are the last two commits.

 The main change doesn't depend on other branch, but in practice
 it will make more sense to hold off merging until these precedent
 branches are merged.

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Ticket URL: <http://bind10.isc.org/ticket/1810#comment:5>
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