OnEarth v2.8.3

• Support for brunsli compression with JPEG layers via mod_brunsli
• Fixed serving of LERC tiles
• Enabled option to use SSL with external facing containers
• Script to convert colormaps to GDAL-compatible text files
• Allow using different Redis hosts for reading and writing
• Reduce writes from periods.lua when adding periods
• Improved readability of vertical legends
• Enabled serving TIFF files via WMS
• Fixed reading incorrect location for static best shapefiles
• Fixed how optional environment variables are handled in startup scripts
• Fixed missing feature_id issue with latest Fiona version
• Dependency updates