BIND 10 #1750: add "at origin" option in ZoneFinder::find() and support it in in-memory

[BIND 10 Development]

#1750: add "at origin" option in ZoneFinder::find() and support it in in-memory
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                   Reporter:         |                 Owner:
  jinmei                             |                Status:  new
                       Type:  task   |             Milestone:
                   Priority:  high   |  Sprint-20120320
                  Component:  data   |            Resolution:
  source                             |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  4
Feature Depending on Ticket:  auth   |           Total Hours:  0
  performance                        |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Changes (by jelte):

 * milestone:  Next-Sprint-Proposed => Sprint-20120320


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Ticket URL: <http://bind10.isc.org/ticket/1750#comment:3>
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