v0.3.0

• Improved sharing and opening files to the app:
  • Supports map files
  • Supports several files at once
  • Accepts more GPX MIME types
  • Works while recording
• Imports can be undone
• Settings can import several maps at once
• Unsafe GPX and files over 512 MB are refused
• Reworked trimming:
  • Replaced the slider with handles on the graphs
  • Each end can step a point at a time
  • Shows what's cut and kept, including waypoints
  • The map zooms to and better marks moved ends
  • Asks before back discards a trim
• A saved track's waypoint can be edited or deleted from its tooltip
• Waypoint tooltips no longer show distance
• Graph tooltips show both distance and time
• Shaded and labelled graph gaps
• Zoomed graphs scroll by dragging to the edge, not with two fingers
• Graph, list and notification times always show hours
• Untimed tracks show ascent and descent up top
• Tapping overlapping tracks selects the one on top
• Fixed the map jumping after the track list