Added a blue theme for the datepicker
Modifications for the new next/prev buttons in layers
Added new icon for static maps and new icon_scale property
Datepicker theming updates
Symbol cards: use the url attribute if available

Keep using slugs as a fallback
Tidy up lightbox controls
Merge pull request #922 from lonelyplanet/jesus/best-place-to-be-today

Tweaks for BPTBT