Update Contents/Info.plist
Update Contents/DefaultPrefs.json
Set UA on all http requests; Set Accept-Encoding header.
Fix language code for 'Romanian' -- https://plexapp.lighthouseapp.com/projects/31804/tickets/1184-Romanian-language-code-in-OpenSubtitles-plugin
Correct Romanian (=rum, not ron).
Use correct abbreviation for Greek language.
Merge Upstream