remove HdrHistogram as submodule. it is now available from a regular, remote maven repository and is pulled from there
update build.sh accordingly (HdrHistogram removal)
add parameter to control busy wait sleep duration
add more tests for ConsoleAndFileDriverConfiguration
add more tests to check maximum size that Time and Duration can store
add LdbcInteractiveWorkloadReadTests to separate workload tests between read-only and read-write
modify config file for read-only operation (that is the only mode currently supported, officially)
fix bug in ContinuousMetricsManager where an exception used to be thrown when metrics were requested from a metrics manager that had recorded 0 values
clean up build.sh