ACCUMULO-970 updated shell responses, API preferences, more WAL updates

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ACCUMULO-1411 - Classloader now inherits propertly



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ACCUMULO-974 - Applying Tim Reardon's patch for Mock



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ACCUMULO-1415 - SystemToken moving to server



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ACCUMULO-1274 - Descriptive classpath stuff



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ACCUMULO-1274 - Oops, changed the case after validating test




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Merge branch '1.5' of https://github.com/apache/accumulo into 1.5-Auditing
ACCUMULO-1417 ngram ingester

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ACCUMULO-1418 use ZooReaderWriter, and not raw ZooKeeper

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Merge branch '1.5' of https://github.com/apache/accumulo into 1.5-Auditing
Merging Accumulo-1070 trunk changes to 1.5-Auditing, by hand