Added gradle build
	new file:   build.gradle
men at work
	modified:   src/main/java/com/ykrkn/redis/IMessageListener.java
	modified:   src/main/java/com/ykrkn/redis/IMessageSerializer.java
	modified:   src/main/java/com/ykrkn/redis/RedisConnector.java
	modified:   src/main/java/com/ykrkn/redis/RedisSubscriber.java
	modified:   src/main/java/com/ykrkn/redis/StringMessageSerializer.java
	modified:   src/test/java/com/ykrkn/redis/AppTest.java
added gradle wirking directories int gitignore
removed gradle dirs
men at work