MicroDAGR microoverhaul

[BaerMitUmlaut]

When merged this pull request will:

• Replace most of the current awful image files from the MicroDAGR
• Show the head direction instead of the body direction on the compass of the MicroDAGR

The dialog could use a rewrite so it doesn't stretch the images anymore but I'm not insane. If somebody does this one day, I still have the source files for all images I made and can provide unstretched images.

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Screenshots:

[nicolasbadano]

Perfect; some screenshot would be welcome.

[BaerMitUmlaut]

Updated with screenshots.

[PabstMirror]

Original icons were from reference material:

https://www.rockwellcollins.com/~/media/Files/Unsecure/Products/Product%20Brochures/Navigation%20and%20Guidance/GPS%20Devices/MicroDAGR%20data%20sheet.aspx (PDF)

Personally I prefer the color icons, but I suppose having higher resolution is important.
I think it might look better with a little less contrast (very light grey instead of bright white) similar to the text's color.

[BaerMitUmlaut]

I can adjust them to the grey if you want. I'll try it during this week.

[sargken]

Will there be an actual battery on these that will run out and signal that can change depending on where you are?

[BaerMitUmlaut]

I have neither information about how long the battery would last nor knowledge about on which exact conditions the signal strength would change and how much it would change.

[licht-im-Norden87]

I don't know if it is necessary to have some sort of battery life with this device.But as it was made for military purpose I assume it can last for a day or longer (but I absolutly have no clue at all) and because of that it is not relevant for arma.