Finished release 0.0.15.
bump development version
graph units account for min and max y
Merge pull request #132 from zenoss/feature/ZEN-15376

graph units account for min and max y
fix an oversight in applying graph max to labels
Merge pull request #133 from zenoss/feature/graphLabelMaxTweak

fix an oversight in applying graph max to labels
fixes zen-15446
Merge pull request #134 from zenoss/fix/ZEN-15446

fixes zen-15446
remove warning on chart cache size
Merge pull request #135 from zenoss/feature/ZEN-14435

remove warning on chart cache size
Add LICENSE file to repo and jar
Merge pull request #136 from zenoss/feature/ZEN-15366

Add LICENSE file to repo and jar
Bump version for release
Finished release 0.0.16.