added GPX route / track parsing to Feature model
added GPXRoute feed
implemented RouteLayer and changed OverlayView to render a route layer instead of a marker layer for GPXRoute feeds
uhm - temporary commit. doing something else now.
hooked gpxRoute up to routino CGIs
attempt to fix weird show / hide behaviour of RouteLayer
fixed display of route information
models/user: don't fire 'location-changed' when it hasn't actually changed.
changed config back
render waypoints
make sure DeviceFeed doesn't break, when it's watch()ed more than once.
oops.
fixed re-rendering of marker layers (only route layers are show / hide aware)
implemented "Navigate here" context item.
deactivate sorting by distance for routes
fixed route layer
moved most of gpx routing to new "navigation" plugin