Mobile: Added a Directions button to ther slideout panel, which does its best yto use a navigation intent. Works great in iOS, but Android is not consistent and tends to open in a new browser tab.
Mobile: Minor style updates to the slideout. Left-justified content, instead of centered, and less empty space at the top of the slideout panel.
Mobile: Reported bug: clicking an Event Location from the list was not properly triggering clickMarker_EventLocation()  Problem was in getMarkerByID() not checking for the attributes.location content for EventLocations
EVentDataSOurce, Google Calendar: enhanced the error messages, to distinguish between an event having no locatio0n given, versus a failed geocode