XWIKI-16192: Refactor links to support properly backlinks in a farm

...attachment/internal/listener/MovedAttachmentListener.java

...chment/internal/listener/MovedAttachmentListenerTest.java

...va/org/xwiki/index/internal/DefaultLinksTaskConsumer.java

...rg/xwiki/index/internal/listener/LinksUpdateListener.java

...ki/index/migration/R140300000XWIKI19614DataMigration.java

...ki/index/migration/R140300001XWIKI19571DataMigration.java

...l/internal/reference/AbstractEntityReferenceResolver.java

...rnal/reference/AbstractStringEntityReferenceResolver.java

...g/xwiki/model/internal/reference/DefaultSymbolScheme.java

...java/org/xwiki/model/internal/reference/SymbolScheme.java

...eference/WithParametersStringEntityReferenceResolver.java

...erence/WithParametersStringEntityReferenceSerializer.java

.../model/internal/reference/WithPatametersSymbolScheme.java

...form-model-api/src/main/resources/META-INF/components.txt

...reference/DefaultStringEntityReferenceSerializerTest.java

...rg/xwiki/model/internal/reference/WithParametersTest.java

...i-platform-oldcore/src/main/java/com/xpn/xwiki/XWiki.java

...ldcore/src/main/java/com/xpn/xwiki/doc/XWikiDocument.java

...rm-oldcore/src/main/java/com/xpn/xwiki/doc/XWikiLink.java

...re/src/main/java/com/xpn/xwiki/store/XWikiCacheStore.java