Prevent the possibility of entering '@' in the fields of 'room' and 'server' in the manage bookmarks dialog.
Set the selection at startup manage bookmarks dialog.
Fix var name in dialogs.py

ignore groupchat invitations from contacts that are not in roster if ignore_unknown_contacts is enabled. Fixes #6057

switch from GnuPGInterface to python-gnupg, so gpg is available under windows. Fixes #5096, #3615, #1890, #996

New status: 1741 messages complete with 361 fuzzies and 2 untranslated.

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