Move mc decompile source to its own folder

Makes caching easier, ever so slightly more organized.

scripts/testServer.sh

@@ -5,7 +5,7 @@ PS1="$"
 basedir="$(cd "$1" && pwd -P)"
 workdir="$basedir/work"
 minecraftversion=$(cat "$workdir/BuildData/info.json"  | grep minecraftVersion | cut -d '"' -f 4)
-decompiledir="$workdir/$minecraftversion"
+decompiledir="$workdir/Minecraft/$minecraftversion"
 
 
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