scode (and partially jbellis) all time

e58540fe368ed5f3d3c0d877fdaacc245fbce3bb | Author: Peter Schuller <peter.schuller@infidyne.com>
 | 2012-03-06 00:35:55-08:00

    avoid quadratic startup time in LeveledManifest
    
    patch by Dave Brosius; reviewed by scode (and partially jbellis) for CASSANDRA-3952