Draft a new release, 0.13.1
Draft a new release yet again, 0.13.2
Fixed Fact and Validator of maximum size of a page title
Draft a new release, 0.13.3

Update MANIFEST to include .mo files with the compiled messages
Umdate MANIFEST.in to  include messages source and template
Translate validators
Bufix: add i18n param to review.to_dict calls
Fixed test to violation.to_dict
Fixed default description value on Violation.to_dict
Removed Violation.get_most_common_violations unused method
Fixed validators tests on description refactory
Fixed some tests

Fixed TitleFacter and TestTitleValidator of maximum size of
a page title
Internacionalize facts
Added new translation files
Translate violation names (fix #115)
Improving insert_keys()
Replace '_' with 'domain_url'

Because _() is used for translate strings
Request: Removed unused import
Fixed UrlWithUnderscoreValidator

UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in
position 133: ordinal not in range(128)