Test: Remove empty string as the message argument

Ref #247
Test: Reduce boilerplate code by using a helper

Closes #247
Util: Add missing always-cldr

Amend Core: Support Globalize instances (69b32ef)

Ref: #245
License: Update s/2013/2014
Plural: Create initial module

Borrow santhoshtr/CLDRPluralRuleParser.

Ref #220
Unit: Create it
Add tests for format-unit
Add formatUnit to the test/unit.js file