[enh] Move ElasticSearch plugins into external project (cesium-plus-pod)

.../elasticsearch/script/BlockchainTxCountScriptFactory.java

...va/org/duniter/elasticsearch/security/SecurityModule.java

...asticsearch/security/challenge/ChallengeMessageStore.java

...iter/elasticsearch/security/token/SecurityTokenStore.java

...sticsearch/service/AbstractBlockchainListenerService.java

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

...iter/elasticsearch/service/BlockchainListenerService.java

.../org/duniter/elasticsearch/service/BlockchainService.java

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

...ava/org/duniter/elasticsearch/service/DocStatService.java

...n/java/org/duniter/elasticsearch/service/PeerService.java

...ava/org/duniter/elasticsearch/service/ServiceLocator.java

...java/org/duniter/elasticsearch/service/ServiceModule.java

...rg/duniter/elasticsearch/service/changes/ChangeEvent.java

...g/duniter/elasticsearch/service/changes/ChangeEvents.java

.../duniter/elasticsearch/service/changes/ChangeService.java

...g/duniter/elasticsearch/service/changes/ChangeSource.java

.../duniter/elasticsearch/synchro/AbstractSynchroAction.java

...java/org/duniter/elasticsearch/synchro/SynchroAction.java

...rg/duniter/elasticsearch/synchro/SynchroActionResult.java