JAVAMONEY-59: Added class parameter to getValidityTypes() for
RelatedValidity services.
Merge branch 'master' of https://github.com/JavaMoney/javamoney.git

Conflicts:
	money-api/ext/src/main/java/javax/money/ext/spi/RelatedValidityProviderSpi.java
	money-impl/ri/src/main/java/net/java/javamoney/ri/ext/AbstractValiditiesService.java
	money-impl/ri/src/main/java/net/java/javamoney/ri/ext/provider/icu4j/CLDRCurrencyValidity.java