removed dummy_wrapper from yum/i18n.py
removed exception2msg from yum/i18n.py
removed str_eq from yum/i18n.py
removed utf8_valid from yum/i18n.py
moved _, P_ to dnf/i18n.py
make all strings unicode_literals implicitly
removed to_unicode from yum/i18n.py
removed utf8_width_fill from yum/i18n.py
removed utf8_width from yum/i18n.py
removed utf8_text_fill from yum/i18n.py
removed to_str from yum/i18n.py
removed to_utf8 from yum/i18n.py
fixed import errors after yum/i18n.py removal
added forgotten import
added --refresh option (RhBug:1064226)
cosmetic: reordered import statements