• Fixed HTML pages using absolute paths, breaking uristmaps when placed in a subfolder.
• Explicitly set compilation target to Java 1.8.
• Fixed OutOfMemory exception.
• Removed IDE files from source.

• Fixes start script on mac os
• Site tooltip correctly indicates if coordinates are approximations (coordinates are approximations when the site has not been moved to the structure group that it probably belongs to and instead uses the world-grid coordinates)
• Added some missing Singular->Plural conversions for population info
• Removed -Xmx flag from start scripts as it only introduced problems
• Fixed footer import for site output

Brings a new tileset, heatmaps and various fixes.

And much better performance when rendering a map.