Merge branch 'release/1.5.5' into develop
-. start 1.5.6-SNAPSHOT
-. add user type proeperty
-. add hiberante examples by scala language
-. make mutable
-. upgrade hibernate-core 4.3.0.Final
-. upgrade Spring 4.0.0.RELEASE
-. upgrade QueryDSL 3.3.0
- JDK version 변경.
-. sample code minor change
-. change group id to com.github.debop
-. support JDK 1.6
-. change groupId : com.github.debop
-. add pgp signing plugin
-. disable gpg plugin
StandardCharset not support for JDK6
change to Charset.forName("UTF-8")
jdk6은 Object 유틸 클래스가 없기 때문에 guava가 제공하는 것을 사용
-. upgrade jedis version 2.4.1
    NOTE: JedisConfigPool#setMaxActive changes to setMaxTotal
-. upgrade hibernate-core 4.3.1.Final
-. upgrade Spring 4.0.2.RELEASE
-. upgrade QueryDSL 3.3.0
-. upgrade Spring Data JPA 1.4.4.RELEASE
-. upgrade hibernate-core 4.3.1.Final
-. upgrade Spring 4.0.2.RELEASE
-. upgrade QueryDSL 3.3.0
-. upgrade Spring Data JPA 1.4.4.RELEASE
-. 포맷 변경
-. change test db from HSql to H2
-. prepare upgrade hibernate 4.3.2.Final ( need to change CacheKey serialize/deserialize manipulation )
-. can't migrate to hibernate 4.3.2.Final, just use 4.3.1.Final!!
-. rollback CacheKey serialization method ( use key.toString() )
    ==> Hibernate 4.3.2.Final remove entityOrRoleName, don't use this. only solution is all entity has each region!!!