Patch: Additional languages for phpBB

adds the following languages to phpBB:

• German
• French
• Polish
• Russian
• Spanish
• Swedish
  the content of imagesets.zip has to be placed in /phpbb/styles/prosilver-embed/imageset/

those languages can be choosen in User Control Panel ->Board Preferences

Alternativly, we can use the Advanced Multi Language Pack https://www.phpbb.com/customise/db/mod/advanced_multi_language_pack_support_mod/
which detects the browser's language automatically and provides the possibility of choosing the language also for guests