Preliminary .h file, with perhaps all functions needed

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Improve recovery for at least one case.  Addresses #703.
The logfiles that Rich built seem corrupt, so I cannot make progress on the next case.


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Added extra questions.

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Added extra questions.

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An informal .h file to describe functionality provided by
the order maintenance structure.

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Also the file numbers can thus be reused.
Don't pass the BRT into the flush commands, since the BRT may no longer be present.
Put a counter in to see how many rollback records are present.  (Addresses #698.)
Increment the file version to 4.
Fixes #545, #703.

Note: All the tests pass except
 * Many cxx tests are getting valgrind errors.  (Addresses #716.  Possibly causes #716.)
 * {{{test_log9.recover}}} fails with "Binary files ... differ".  These will presumably be fixed by #711 or #714.  (Addresses #711, #714.)
 * {{{test_log10.recover}}} fails.   There are two failures:
  1. A valgrind problem (see #718.)  (Addresses #718.  Possibly causes #718.)
  1. The "Binary files ... differ" issue.


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Now the makefile has a way to be happy when a test fails.  The groupcommit test passes (even though it fails).  The two recovery tests fail, but those are real failures, so I'll consider that this Fixes #706.

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The actual BDB behavior seems to allow the flags to be 0.
TokuDB returns {{{EINVAL}}}, which seems correct.
So I changed the test to say it's OK.
Fixes #690.


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A fix that makes the {{{test_dupsort_del}}} pass.  However {{{test_dupsort_del_checksum}}} still breaks under TokuDB, but not under BDB.  Addesses #690.

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Create a testcase for the root cause of #690.  This test notices that the wrong thing is deleted.  Addresses #690.

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Comment out of the printf statement for the beta.  The printf would tell us if the slow and fast get out of sync.  Addresses #676.

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The fix is to #687 is that the latest value from a le_both was providing the committed value rather than the provisional value. Fixes #687

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during serialization to the disk when the real size is smaller than the
node size counter. so we are going to recompute the node size when
the node is being serialized.


addresses #676


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svn merge -r3352:3375 https://svn.tokutek.com/tokudb/tokudb.558a
}}}
with no conflicts.

Fixes #672, #558, #680.


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Implemented tests for the confused-about-provisional-deletes bug.  {{{test_log6a_abort}}} works now. Fixes #677.

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Changing the size calculation broke brt-test.  Changed it so if cachetable overflows its budget, then the cachetable continues to work. Addresses #669.

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