Log Message:
Update to 2.8.2:

Fixes
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- remove UTF-16, UCS-2 and UCS-4 from the supported encoding list since
  they are (and always have been) broken (Paolo Maggi)
- do not leak some tooltips (Paolo Borelli)
- fix crash loading some remote files (Paolo Maggi)
- check if metadata file exists before reading it (Marco Pesenti Gritti)

New and updated translations
============================
Nikos Charonitakis (el)
Martin Willemoes Hansen (da)
Jordi Mallach (ca)
Mohammad DAMT (id)
Christophe Merlet (fr)