Support for wikimedia-xml (wikipedia, wikivoyage , ...)

• Visualize geo-xml from wikipedia-web-api
  • example https://de.wikivoyage.org/w/api.php?action=query&format=xml&prop=coordinates|info|pageimages&inprop=url&piprop=thumbnail&generator=geosearch&ggscoord=28.12722|-15.43139&ggsradius=10000&ggslimit=5&pilimit=5
• Infer links from wikipedia kml
  • example: https://tools.wmflabs.org/kmlexport/?article=Category:Gran_Canaria&linksfrom=1&l=3
• Bugfix #5 Wrong character encoding in About menu
• updated from OSMBonusPack:v3.4 to OSMBonusPack:v5.6 that requires Android >= 10