Merge pull request #5 from lossyrob/updates/0.9

More updates to docs
Change scope of css. This block is only meant to style a section on the homepage, but it was unintentionally affecting the introduction/what-is-geotrellis page within the documentation
Flip case studies with demos, add CC license, make caret color more consistent
Merge pull request #6 from jfrankl/master

More styling and layout changes plus CC license
Vector and Raster changes.
Merge pull request #7 from lossyrob/master

Vector and Raster changes.
Updates to operations