adds unit tests for Discourse.Resolver
Italian localization (pt. 1)

First ~600 lines of italian translation revisited including missing
strings.

TODO: lines 581+
Merge pull request #1467 from velesin/resolver_tests

adds unit tests for Discourse.Resolver
Merge pull request #1475 from elegos/master

Italian localization (pt. 1)
FIX: Too many new lines in long quotes
Merge branch 'master' of https://github.com/discourse/discourse