Updated some of the text entries in 'technical and financial parameters' popup table for #1684. Note that 'app/models/api/v3/converter_presenter_data.rb' actually does state the heat efficiency units should be '%' despite the screenshot in #1684 suggesting this does not show up.
Merge pull request #667 from quintel/tech_table_translations

Updated some of the text entries in 'technical and financial parameters'...
Fix routes used for "Clear cache" and "Restart"