Sub-columns removal is broken in 1.1
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                 Key: CASSANDRA-3872
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3872
             Project: Cassandra
          Issue Type: Bug
            Reporter: Sylvain Lebresne
            Assignee: Sylvain Lebresne


CASSANDRA-3716 actually broke sub-columns deletion. The reason is that in 
QueryFilter.isRelevant, we've switched in checking getLocalDeletionTime() only 
(without looking for isMarkedForDelete). But for columns containers (in this 
case SuperColumn), the default local deletion time when not deleted is 
Integer.MIN_VALUE. In other words, a SC with only non-gcable tombstones will be 
considered as not relevant (while it should).

This is caught by two unit tests (RemoveSuperColumnTest and 
RemoveSubColumnTest) that are failing currently.

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