Debug pane: Show error message in log
Avoid errors in stock JS
Pass console messages from debug pane to native console

(Removed android.util.Log call since the default implementation does this already)
Change Android title *after* switching panges. Android ist faster.
Add workaround for touch events (and remove other workaround that didn't work)

Leaflet doesn't handle touchcancel events in L.Draggable._onDown. Workaround is similar to 1cecbe7f440249ca68f4f6fef3948032e61843ac