Added custom footer support. Just add 'footer.php' to document root.
Ignore src/footer.php
Fixed undefined index
Removed axis labels from position formats
Added 'map.format.axis' and 'map.format.unit' to properties
Removed GOOGLE_API_KEY. Discontinued.
Escaped illegal coordinate units
Removed 0-padding from longitude
Added 'map.format.wrap'
Changed email addresses
Fixed broken link