Dynamic Properties: UI Gauge

[joepavitt]

Using Dynamic Properties Best Practices, implement:

• Label
• Gauge Type (gtype)
• Gauge Style (gstyle)
• Title (title)
• Units (units)
• Icon (icon)
• Prefix (prefix)
• Suffix (suffix)
• Segments (segments)
• Min (min)
• Max (max)

as dynamic properties.