Fix LED 1W 3W

[Franck78]

Newer datasheet & small footprint fix

Update the datasheet link to a full english version, hosted on the
Getian's website (the manufacturer).
Fix footprint: set space between pad to 10mm (was ~9.2), just a 0.4mm translation of each pad

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• Provide a URL to a datasheet for the footprint(s) you are contributing

• https://www.getiangroup.com/data/upload/ueditor/20190909/5d75f9d95ad18.pdf (white)
• https://www.getiangroup.com/data/upload/20190902/5d6cc52e92386.pdf (colors and rgb variant package)
• http://www.kwalityphotonics.com/images/pdfdocs/ds_47.1_klsl331we.pdf
• http://www.kwalityphotonics.com/images/pdfdocs/ds_47_klhp3433xe.pdf

• An example screenshot image is very helpful
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  Missing 3Dfiles for power Led kicad-packages3D#721
  Add some aliases for the generic power LED 1w / 3w kicad-symbols#2943
• Check the output of the Travis automated check scripts - fix any errors as required
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[Franck78]

Travis says

 Violating F5.3

    Courtyard layer requirements
    Courtyard lines are not on 0.01mm grid
     - Arc (0,0) -> (-4.6,-0.4) on layer 'F.CrtYd'
     - Arc (0,0) -> (4.6,0.4) on layer 'F.CrtYd'

I can't do much about that. Arc are not defined with 3 points.
Sorry

[Franck78]

The small difference between the datasheet and the actual design is not worth fixing.

[evanshultz]

@Franck78
I do believe it's worth fixing. If you want to re-open this PR I can review it. Let's say there is an issue and it's not known that the footprint doesn't match the recommendation in the datasheet. Now it's our problem.

I think you're using a new nightly version of KiCad. Please stick with 5.1.x for all contributions as requested by KLC at http://kicad-pcb.org/libraries/klc/. We will accept contributions newer versions at some point but not yet.