Refactoring ingest
Merge remote-tracking branch 'upstream/master' into ingest-process
Refactored spark\hadoop versioning in Build.scala
Metadata gone, test data needs to be rebuilt
Merge branch 'ingest-process', remote-tracking branch 'origin' into ingest-process
Merged accumulo, deleted metadata
Merged change to spark version.
Created test file generator, getting unused block error on my Mac
Fixed spark tests
Merge remote-tracking branch 'upstream/master' into ingest-process
Refactors against TmsTiling
Merged in upstream.
Merge pull request #858 from lossyrob/ingest-process

Refactors to the ingest process, metadata.