Bugfix for ruby <2.0 (UTF-8 encoding needed)

Bugfix for invalid multibyte char (US-ASCII).
Merge pull request #373 from keepinmind/patch-1

Bugfix for ruby <2.0 (UTF-8 encoding needed)
Force local timezone
Update AR calls
Rails 3: .scoped => Rails 3/4: .where(nil)
Add MiniTest support for Rails 4
Add test support for new validations
.gitignore
Merge remote-tracking branch 'binarylogic/master'
Merge remote-tracking branch 'rails4guy/rails4-remove-deprecation-pass-tests'