i18n-it: update many broken fuzzy messages
I started updating many fuzzy messages which no longer expressed the
intended meaning - new translations are inserted only to keep
coherence.
Not all fuzzy messages have been fixed, yet.
% setup
adding a
new tip: 553596fad57b
% test that new changesets are visible to repo.lookup()
new tip: 799ae3599e0e
changeset: 1:799ae3599e0e
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: one more commit to demonstrate the bug