Fix compilation

...c/main/java/org/duniter/elasticsearch/PluginSettings.java

...va/org/duniter/elasticsearch/service/AbstractService.java

...org/duniter/elasticsearch/gchange/model/MarketRecord.java

.../elasticsearch/gchange/model/event/GchangeEventCodes.java

.../duniter/elasticsearch/gchange/service/MarketService.java

.../src/main/java/org/duniter/elasticsearch/user/Plugin.java

.../main/java/org/duniter/elasticsearch/user/PluginInit.java

...g/duniter/elasticsearch/user/service/event/UserEvent.java

...iter/elasticsearch/user/service/event/UserEventCodes.java

...niter/elasticsearch/user/service/event/UserEventLink.java

...er/elasticsearch/user/service/event/UserEventService.java

...rc/main/resources/i18n/duniter4j-es-user_en_GB.properties

...rc/main/resources/i18n/duniter4j-es-user_fr_FR.properties