Changed renderPng with no params to assume it's a RBGA raster.
renamed GeotrellisSparkUtils to SparkUtils
add type PixelBounds
PyramidMetadata: initial commit
Merge remote-tracking branch 'upstream/master' into localingest
Update Build.scala
Merge pull request #703 from lossyrob/RenderOpMethods/render-color-raster

Changed renderPng with no params to assume it's a RBGA raster.
add conversion method from Java AWT Type to RasterType
Changes to Geotiff to support geotrellis-spark
1. Add Metadata.
2. Add variants of getReader/getGridCoverage2D which will allow reading
tiff files from HDFS (although an existing issue with geotools prohibits
reading from HDFS, we add this generalized API for future use)
correct argument positioning from n/s/e/w to w/s/e/n
add boundsToTile conversion in TmsTiling
minor changes to getMetadata API
organize imports
add listFiles to recurse down a directory and fetch all file paths
add factory method fromTifFiles to PyramidMetadata
add placeholder Ingest file
geotrellis-spark now depends on geotrellis-geotools
Renamed Image to Raster in the geotrellis-spark codebase
update deprecated API calls in JacksonWrapper
Add a test for PyramidMetadata