[Lazarus] Adds Gauge component on Lazarus

[Mark Morgan Lloyd]

leledumbo wrote:
> I think we already have them:
> http://wiki.freepascal.org/uE_Controls
> http://wiki.freepascal.org/BGRAControls#TBGRAKnob

I've looked at the uE stuff in the past and for some reason decided it 
wasn't appropriate. I really can't remember whether this was because it 
required some non-portable underlying library, or what my excuse was :-)

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]