Added operation for getting RasterLayerInfo from name or path.
Added task for displaying ARG raster info.
Fixes to gtloader
Added raster data type in layer information for admin site.
Fixed tiled mtsthelens rasters.
Refactored how cache is given propagated through catalog.
Merge remote-tracking branch 'upstream/master' into cache/fix
Set in RasterLayerInfo whether or not the layer is cached.
Fixed path in metadata for converting tiles.
Fixed metadata for mtsthelens rasters in test data.
Merge pull request #496 from lossyrob/cache/fix

Fixes to cache propagation