elastic search and tenant info modification

.../java/org/opendes/indexer/azure/di/TenantFactoryImpl.java

...main/java/org/opendes/indexer/azure/di/TenantInfoDoc.java

...org/opendes/indexer/azure/model/ElasticSettingSchema.java

.../indexer/azure/persistence/ElasticRepositoryCosmosDB.java

...azure/persistence/ElasticSettingSchemaRepositoryImpl.java

...opendes/indexer/azure/persistence/ElasticSettingsDoc.java

.../org/opendes/indexer/azure/util/HeadersInfoAzureImpl.java

.../java/org/opendes/indexer/azure/util/RequestInfoImpl.java

...e/persistence/ElasticSettingSchemaRepositoryImplTest.java