Update it_IT.lang

Here's the new update for 1.7.10.
The italian vanilla localization have changed a lot of words and the capital letter in the words that are not the first in the localization (a part from a few mobs and others).
Merge pull request #8 from TheVikingWarrior/patch-2

Update it_IT.lang
Removed unnecessary import
Merge branch 'master' of https://github.com/squeek502/TiC-Tooltips into 1.7.10