Fix OHKO immunity in RBY

OHKO should be affected by type immunity in Gen 1. The ```power > 1```
check is for Counter/Mirror Coat and Fixed damage (Seismic Toss, etc.)
since those ignore immunities.
Merge pull request #1232 from Fuzzysqurl/ohko

Fix OHKO immunity in RBY
Merge pull request #1 from po-devs/master

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Translation update

-update German mega-formes for ORAS
-update versions.txt for German translation
-add French versions.txt
-delete Italian pokemons.txt , because there is not actually a single
translation. The names are the same in English .-.

I will do some more translation fixes the next days when I get to it
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Merge pull request #1261 from turbedi/master

Translation update
Merge remote-tracking branch 'upstream/master'
Use zip files instead of sprites folder