choose google or openstreetmap or none as address search

[niccokunzmann]

Events have addresses. These can be searched for by google maps, openstreet map, none at all.
Please provide an option to the user. Default should be openstreetmap.

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[thoka]

As I understand this is an user interface option in contrast to #28.
Make it also configurable in the settings file.

We have to discuss, whether this opens up vulnerability holes, if one allows to add any URLs in the (remote) setting file.

But, as any creator of a web infrastructure always have the ability to send evil code, this seems to be an minor issue.

[niccokunzmann]

We have to discuss, whether this opens up vulnerability holes, if one allows to add any URLs in the (remote) setting file.
But, as any creator of a web infrastructure always have the ability to send evil code, this seems to be an minor issue.

I also think, this is a minor issue. But who knows^^

As I understand this is an user interface option in contrast to #28.

This is a requirement for all options:

• configuration via the index page
• documentation of the option on the index page
• loadable via query parameters
• loadable via JSON calendar specification