Updated versions to 1.3.8
Merge remote-tracking branch 'origin/master'
Updated tools.jar 1.7+ dependency hack to only be used when tools.jar file exists in JDK's lib directory (where it is in 1.7 and above)
[maven-release-plugin] prepare release jHiccup-1.3.8
[maven-release-plugin] prepare for next development iteration
Merge pull request #8 from scotte/master

Add -o option which logs statistics in CSV format
- Made -o option (use CSV format) apply to .hgrm log file
- Updated dependency to use HdrHistogram 1.0.9 (which adds support for optional CSV output).
Added -s flag to control number of significant value digits in reports.