Added list of available maps (at /maps).
Hide currently broken and sample maps.
Updated configuration of map versions.
Added title to maps.
Hide title from some maps.
Minor code improvement / cleanup.
Only get events which have lat/long data.
Create 'entries' before 'buildings' and 'sites' to ensure correct icons shown in search results.
Automatically determine window bounds if negative zoom level configured.
Changed title.
Changed default zoom to cover UK (and enabled auto bounds).
Added map versions.
Load datafile according to $config['datafile'] .
Changed icons in food hygiene may to set colours according to rating.
Removed unused and commented out code.
Allow map to specify that a 'version' is required.  Present list of versions if no version provided.  Enabled feature for food hygiene map.
Only show one box per colour.
Increase priority of 'Health' icons.
Enable mass generation of number (and letter) icons.