Merge pull request #11 from mikeb01/master

Fix overflow bug in HistogramData.getValueAtPercentile()
- Updated maven version to 1.0.2 after integrating overflow bug fix from merge pull request #11 from mikeb01/master
- Added copyInto variants, to more easily support scenarios where periodic sampling of potentially later-changing histograms is needed and the sampler does not to allocate new histogram at each sample. Allows samplers in this scenario to keep a single target histogram and override it with sample each time. Usefulf or work on LatencyUtils project.
- Updated maven version to 1.0.3