Added Polish translations
Fixed a number translation
Added a unit test
Merge pull request #157 from martio/polish-translations

Added Polish translations
added polish to README
Version bump to 2.5.0
Regenerate gemspec for version 2.5.0
silence warning about i18n locale enforcement without clobbering prior user decisions
correct naming of some russian tests that were formerly redefining existing tests
don't require rubygems
fix i18n error for non-activerecord tests
update readme
make sure i18n responds to enforce_available_locales
Version bump to 2.5.1
Regenerate gemspec for version 2.5.1
update gemspec files to use git
fix bug where stringex was overriding i18n setting for enforce available locales
Version bump to 2.5.2
Regenerate gemspec for version 2.5.2
refactor tests and assignment for non-AR scenarios