Needed to test multiple instances of perf stat output.
PerfStatTimeSlicedDataHolder added. Holds time sliced multiple instance event count values.
Added writeManyToArffFile method. Generate arff when multiple instance time sliced data are given.
Added parseMultipleInstances method. Parse multiple instances of time sliced data.
Added ability to convert PERF_STAT_TIME header typed data.
Added ability to detect PERF_STAT_TIME data type.
Added new data type PERF_STAT_TIME.
Merge branch 'master' of https://github.com/sunimalr/vimarsha