fix #2517 replace elasticsearch with fesen

plugin.xml

pom.xml

src/main/java/org/codelibs/fess/api/json/JsonApiManager.java

.../java/org/codelibs/fess/app/service/SearchLogService.java

...ess/app/web/admin/maintenance/AdminMaintenanceAction.java

.../fess/app/web/admin/searchlist/AdminSearchlistAction.java

...delibs/fess/app/web/admin/upgrade/AdminUpgradeAction.java

...pp/web/api/admin/searchlist/ApiAdminSearchlistAction.java

src/main/java/org/codelibs/fess/dict/DictionaryManager.java

...ibs/fess/ds/callback/FileListIndexUpdateCallbackImpl.java

src/main/java/org/codelibs/fess/entity/FacetInfo.java

src/main/java/org/codelibs/fess/entity/GeoInfo.java

src/main/java/org/codelibs/fess/entity/PingResponse.java

src/main/java/org/codelibs/fess/entity/QueryContext.java

src/main/java/org/codelibs/fess/es/client/FessEsClient.java

...codelibs/fess/es/config/allcommon/EsAbstractBehavior.java

...s/es/config/allcommon/EsAbstractConditionAggregation.java

...ibs/fess/es/config/allcommon/EsAbstractConditionBean.java

...bs/fess/es/config/allcommon/EsAbstractConditionQuery.java

...g/codelibs/fess/es/config/allcommon/EsAbstractEntity.java