remove unused import
remove AmountNumberToken
remove class
remove classes
Merge pull request #18 from otaviojava/unused_rate_provider

remove unused imports on IdentityRateProvider
Merge pull request #21 from otaviojava/remove_class

remove classes
Merge pull request #20 from otaviojava/remove_default_amount_format

remove class
Merge pull request #19 from otaviojava/remove_currency_format

remove AmountNumberToken
Fixed supported locales returned.
Adapted scale to BD.
Merge branch 'master' of https://github.com/JavaMoney/jsr354-ri