Rename Points of Service example to Catering

Also add a link from the index page
Fix show and close info

Also modify the full example such that this cannot happen again.
Add name for Lift's
Fix problem with missing map
Less globals in examples

Fix a problem highlighted by this in the vending manchines layer.
Fix problem with map variable
changes to general feel  and some refactoring
Use a document fragment, rather than creating a redundant div
Expose the routeLayer such that it can be used
Uninformed changes to the timeout and retry delay

This could help with loading the data on devices with slower connections.
Store the data in localStorage

It will currently be refreshed after 1 week.
Prevent popups from being larger than the map

This helps on smaller devices.
Correct check in featureHasPopup

Check if the feature is a room, then check if the room has the expected
information.
shrunk poups a little more and moved fullinfo link