4070-1.0.17

• Use the system font for sheet css (#1357) (Raoul Wols)
• Fix some issues with textDocument/didSave and old-style text sync (#1358) (Raoul Wols)
• Expose language_id on SessionBufferProtocol (#1355) (Rafał Chłodnicki)
• Renaming is much faster, and we now correctly reply to the langserver when
  the edits have been aplied.
• Set progress status on views instead of window (#1350) (Raoul Wols)
• Various improvements