LPS-44342 support for passing a ResourceBundle directly to LanguageUtil
LPS-44342 Remove non working path code
LPS-44342 Create similar methods in UnicodeLanguage
LPS-44342 Update LanguageFilter to use new resourceBundle API
LPS-44342 No need to pass Locale along with ResourceBundle
LPS-44342 New method toEnumeration in SetUtil
LPS-44342 New CompositeResourceBundle

Returns the first non null key from the lists of bundles
LPS-44342 Move to correct package

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# On branch pr-18
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#	renamed:    portal-impl/src/com/liferay/portlet/CompositeResourceBundle.java -> portal-impl/src/com/liferay/portal/language/CompositeResourceBundle.java
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#	modified:   portal-impl/src/com/liferay/portal/language/LanguageImpl.java
#	modified:   portal-service/src/com/liferay/portal/kernel/language/Language.java
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#	liferay/
#	osgi/modules/polls-application/
#	osgi/modules/portal-registry/
#	portal-impl/liferay/
#	portal-impl/test/unit/com/liferay/portal/language/
LPS-44342 Added test for CompositeResourceBundle
LPS-44342 Extract logic to a new method using CompositeResourceBundle
LPS-44342 No need to pass locale along with resourceBundle nor pageContext or portletConfig
LPS-44342 SF
LPS-44342 Move logic to new ConfigurationPortlet
LPS-44342 Update ConfigurationPortlet to set proper request variables
LPS-44342 Fix StrutsResourceBundle
LPS-44342 SF
LPS-44342 Javadoc
LPS-44342 SF