Add fix elevation

Added useFilter=true onto the mapquest call and added a bit of smoothing
Fix line endings in src.pro
Add fix elevation

Added useFilter=true onto the mapquest call and added a bit of smoothing
Fix line endings in src.pro
Merge remote-tracking branch 'origin/FixElevation' into FixElevation
Merge pull request #1014 from jonbev/FixElevation

Fix elevation