Version 0.4.1-beta-release

Updates introduced since 0.4.0-beta-release

• e882245 Update front-end dependencies - (Ni Rui) 82AE11AD1E5E8729 E
• d0f75c6 Update backend dependencies - (Ni Rui) 82AE11AD1E5E8729 E
• 4e13029 Bump copyright date - (Ni Rui) 82AE11AD1E5E8729 E
• f4b4a5f Correctly handle errors returned by the WebSocket controller to avoid triggering "http: response.WriteHeader on hijacked connection" warning in the log - (Ni Rui) 82AE11AD1E5E8729 E