ES: Add Product index

ucoinj-cesium/src/main/cesium

ucoinj-elasticsearch-plugin/pom.xml

.../ucoin/ucoinj/elasticsearch/action/ExampleRestModule.java

...java/io/ucoin/ucoinj/elasticsearch/action/RestModule.java

...lasticsearch/action/currency/RestCurrencyIndexAction.java

.../elasticsearch/action/product/RestProductIndexAction.java

...elasticsearch/action/security/RestSecurityAuthAction.java

...earch/action/security/RestSecurityGetChallengeAction.java

...ain/java/io/ucoin/ucoinj/elasticsearch/plugin/Plugin.java

...o/ucoin/ucoinj/elasticsearch/security/SecurityModule.java

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

...oinj/elasticsearch/security/token/SecurityTokenStore.java

...gin/src/test/es-home/plugins/ucoinj-elasticsearch/LICENSE

...plugins/ucoinj-elasticsearch/plugin-descriptor.properties

...-elasticsearch-plugin/src/test/resources/log4j.properties

ucoinj-elasticsearch/pom.xml

...rch/src/main/java/io/ucoin/ucoinj/elasticsearch/Main.java

...java/io/ucoin/ucoinj/elasticsearch/action/HelpAction.java

...a/io/ucoin/ucoinj/elasticsearch/action/IndexerAction.java

...java/io/ucoin/ucoinj/elasticsearch/action/NodeAction.java