[qet] Italian translation

[silvio <silvio.qet@xxxxxxx>]

Another little contribute :-)
I noticed a little mistake in the folder:  
variateur_de_frequence/telemecanique
Telemecanique it's a brand and should not be translated.

Silvio

<qet-directory>
    <names>
        <name lang="en">Télémécanique</name>
        <name lang="fr">Télémécanique</name>
        <name lang="ar">Télémécanique</name>
        <name lang="pl">Telemecanique</name>
        <name lang="it">Telemecanique</name>
        <name lang="cs">Telemeccanica</name>
    </names>
</qet-directory>