GPX viewer

GPX viewer 1.8

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GPX viewer v1.8 changes:

Added code to prevent malformed GPX attachment data from causing server error.
GPX Viewer v1.7 changes:

Added code to prevent server error log if attachment is not found.
GPX viewer v1.6 changes:

Now able use GPX viewer button in preview.
GPX viewer v1.5 changes:

Now works with PHP 7.2.
GPX viewer v1.4 changes:

Google map now displayed in a page. New options page.
GPX viewer v1.3 changes:

Fixed <title> tag so tab shows correct name.
GPXViewer v1.2 changes:

Updated code to be compatible with XenForo 2.0.0.

Please uninstall any previous version and delete the Andy/GPXViewer folder before install this latest version.
GPX Viewer v1.1 changes:

Updated addon.json file.