Defined RI provided singletons.
Defined RI provided singletons.
Merge branch 'master' of https://github.com/JavaMoney/javamoney.git
ASSIGNED - issue JAVAMONEY-7: Consider separate project for initial RI 
https://java.net/jira/browse/JAVAMONEY-7
Added JavaDoc.
Merge branch 'master' of https://github.com/JavaMoney/javamoney.git
- Moved singletons into RI. 
- Added format dependency to RI pom.
Typo in JavaDoc header fixed
- Removed outdated class.
- Continued with some RI artifacts.
- Simplified SPIs.
Merge branch 'master' of https://github.com/JavaMoney/javamoney.git

Conflicts:
	core/src/main/java/javax/money/spi/CurrencyUnitDataProvider.java