#114 Panasonic G7 is missing from data/db/mil-panasonic.xml

[Todd]

The GF7 and GX7 are present but it appears this Panasonic model was overlooked. Pasting the below snippet should do.

<camera>
<maker>Panasonic</maker>
<model>DMC-G7</model>
<mount>Micro 4/3 System</mount>
<cropfactor>2</cropfactor>
</camera>

[seebk]

It is now included in the latest 0.3.95(alpha) version.