geotrellis/geotrellis#678 Added overloads for warp that just take an Extent and cols x rows in Raster and RasterSourceLike
geotrellis/geotrellis#678 Added a private overload of warp in RasterSourceLike that takes an Op[RasterExtent]
geotrellis/geotrellis#678 Added unit tests for warp overloads; Fixed RasterExtent apply method and added a unit test to test the fix
geotrellis/geotrellis#678 Merged upstream/master
Merge pull request #729 from BrandonNoad/issue-678

Added overloads for warp that just take an Extent and cols x rows in Raster and RasterSourceLike
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into jtscala
Finished implementing intersection, union, and difference for point, line, polygon, point set, line set, and polygon set.