v0.8.1

[0.8.1] - 2015-08-01

• Added support for a GPX desc tag. (@doc75)

[0.8] - 2015-05-14

Introduced changes from andrewhao/gpx fork:

• Fix Rakefiles and move to use Nokigiri (Guillaume Dott)
• Fix compatibility with 1.0 GPX schemas (Douglas Robertson)
• Added Ruby 2.2 compatibility and GPX track smoothing capabilities
  (@kbb29)
• Adding time to waypoints, restore xmlns:nsi attribute (@merlos)
• Refactor distance calculation methods to the TrackPoint (Andrew Hao)
• Adding Travis, Code Climate badges.