v1.2.0

What's Changed

• add realtime ros viewer by @scomup in #5
• add map item setting by @scomup in #6
• fix mouse speed by @scomup in #7
• fix sphere bug, use bar to change alpha by @scomup in #9
• v1.1.1 by @hrjp in #10
• v1.2 by @hrjp in #11
• v1.2 by @hrjp in #12

Full Changelog: v1.1.0...v1.2.0