v0.5

• Render more features at low zoom: land, water and hillshades at zoom 3 and 4. See #494.
• Fix, render as road bike surface tracktype=grade1 and good smoothness.
• Render dam #481.
• Add dashline outline on path like way tunnels #492.
• Fix cycleway hidded by rail background #451.
• Fix cycleroute name not rendered if no ref #510.
• Fix ford on node not rendered #508.
• Use blue shared cycle path for bus/cycle lane #356.
• Add bicycle leisure track for areas.
• Render minor service road at zoom 14 #519.
• Render living street with 20km/h color by default #238.
• Restore contours. Fix #157.