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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