Add Response return type to fix viewer bug.
Update to Scala 2.10.1.
Move FlattenGeometry to new file and remove reflection.
Add build.sbt file to geotools subproject.
Add new FlattenGeometry implementation.
Remove log statements from Operation.
Operations can now return a new operation to execute in its place.

This commit adds a new StepResult AddThen(op) which an operation
can return to indicate that a new operation should be executed and
its result returned as the return of this operation.
Add test for AddThen() StepResult.
Remove val from Op2 arguments.
Add "andThen" as a synonym for Operation.flatMap().
Merge pull request #455 from joshmarcus/topic/viewer_bug

Add Response return type to fix viewer bug.
Merge pull request #457 from joshmarcus/topic/geotools_sbt

Add build.sbt file to geotools subproject.
Merge pull request #456 from joshmarcus/topic/flattengeometry

Update to Scala 2.10.1 and update FlattenGeometry.
Merge pull request #458 from joshmarcus/topic/andthen

An operation can now return an operation to run in its place.
Initial draft of data handling tool

This version can transform geotiffs (really any gdal supported raster
type) into arg files.

Next on the docket is to generate tiled rasters and cleanup the code
Merge pull request #460 from ahinz/topic/import

Initial draft of data handling tool