Merge pull request #63 from lfzawacki/master

Correct Kyev to Kyiv in zones dictionary
Run tests agains Ruby 2.1.1 on Travis CI
Rename shadowed variable to avoid warnings in 1.9+
Merge pull request #64 from dgolombek/wip/shadow_warning

Rename shadowed variable to avoid warnings in 1.9+
bump rspec version
convert rspec syntax from should to expect
Merge pull request #65 from adamjonas/master

update rspec and should to expect syntax
Fix typo
Remove Ulaan Bataar timezone