README: Minor change

- Re-order .formatNumber() on API list;

Ref #295
1.0.0-alpha.7
Message: Support ICU MessageFormat using slexaxton/messageformat.js
Message: Support ICU MessageFormat using slexaxton/messageformat.js

- Ugly hack to demostrate usage; FIXME
Message: Support ICU MessageFormat using slexaxton/messageformat.js

- Add some more example/tests;
Message: Support ICU MessageFormat using slexaxton/messageformat.js

- Use latest code (slexaxton/messageformat.js
  302a46a38d511de3b499f9ce0d18289e9fbd92b3), which drops globals from runtime
  functions;