Delete handles deleteFamily incorrectly
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                 Key: HBASE-5205
                 URL: https://issues.apache.org/jira/browse/HBASE-5205
             Project: HBase
          Issue Type: Bug
          Components: client
            Reporter: Lars Hofhansl
            Priority: Minor


Delete.deleteFamily clears all other markers for the same family.
That is not correct as some of these other markers might be for a later time.

That logic should be removed.

If (really) needed this can be slightly optimized by keeping track of the max 
TS so far for each family.
If both the TS-so-far and the TS of a new deleteFamily request is < 
LATEST_TIMESTAMP and the TS-so-far is < deleteFamily marker, then the previous 
delete marker can be removed.
I think that might be overkill, as most deletes issued from clients are for 
LATEST_TIMESTAMP (which the server translates to the current time).

I'll have a (one-line) patch soon. Unless folks insist on the optimization I 
mentioned above.

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