Merge pull request #4 from tkunicki-usgs/master

Fixed issue where some projections weren't having their geographic CS properly parsed
Merge pull request #5 from tkunicki-usgs/master

Added ToolsUI overlay
Merge pull request #6 from tkunicki-usgs/master

Attach shaded jar to deployed ToolsUI artifacts
Merge pull request #7 from tkunicki-usgs/master

Updated ProjCS units handling
Merge pull request #8 from tkunicki-usgs/master

Remove units assumptions with ProjCS defined by parameters
added unidata snapshots repository so that we can generated overlays against unidata snapshot artifacts