BIND 10 #2750: support DomainTree::remove()

[BIND 10 Development]

#2750: support DomainTree::remove()
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |  vorner
            Priority:  medium        |                       Status:
           Component:  data source   |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130917
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  7             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  shared memory data source
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Comment (by muks):

 Replying to [comment:12 muks]:
 > * The outstanding major problem with this branch is that it does not
 >   compile with `clang++`. `clang++` does not seem to support templated
 >   static method calls (`find<void*>()` for the `CBARG` type). Please
 >   verify that this is indeed the case, or provide your observation.

 Sorry, this problem is calling templated methods from a static member
 function. I had stated it the other way.

 A minor code cleanup commit was also pushed to the branch.

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Ticket URL: <http://bind10.isc.org/ticket/2750#comment:14>
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