0.25

• Fix padding, spacing, icon sizes and font sizes to work better
  across different size and different pixel density screens
• Move the menu button to the bottom center of screen
• Use Mapbox's navigation icons
• Add scale filters to a pulldown menu in the basemap page
• Remove MapQuest Open tile source as tiles are no longer available
• Add @2x variants of OpenCycleMap and Thunderforest Transport
• Include scale in all tile source names, including @1x
• Remove Nominatim geocoders
• Add OpenCage and
  Photon geocoders and make OpenCage the default
• Use the latest version of the OSRM router API
• Make Mapzen Turn-by-Turn the default router
• Indicate in lists of providers which is the default one
• New design for HSL Journey Planner results page
• Handle initial centering and zoom level better on first startup
  if positioning data not available
• Raise API connection timeout to 15 seconds