SPARK-900 Use coarser grained naming for metrics
remedy the line-wrap while exceeding 100 chars
Revert "remedy the line-wrap while exceeding 100 chars"

This reverts commit 892fb8ffa85016a63d7d00dd6f1abc58ccf034a2.
Revert "SPARK-900 Use coarser grained naming for metrics"

This reverts commit 4b68be5f3c0a251453c184b233b3ca490812dafd.
create metrics name manually.
remove those futile suffixes like number/count
Merge pull request #22 from GraceH/metrics-naming

SPARK-900 Use coarser grained naming for metrics

see SPARK-900 Use coarser grained naming for metrics.
Now the new metric name is formatted as {XXX.YYY.ZZZ.COUNTER_UNIT}, XXX.YYY.ZZZ represents the group name, which can group several metrics under the same Ganglia view.