1. Add new function esri_raster2SpatRaster. This will eventually replace the esri_raster2RasterLayer function that uses raster::RasterLayer. Update all reports to use this new function.

2. Find all files that call esri_raster2RasterLayer and refactor to use esri_raster2SpatRaster. Check all reports for use.

Added esri_raster2SpatRaster: f65b4ad

Converted reports to use esri_raster2SpatRaster: 36e5fcf

The only functions with any references left to the raster package are: meander_width and slope_sinuosity. They both use the raster::pointDistance function. Best candidate replacement function is probably sf::st_distance.