修改GsonObjectSerializer，支持根据字段名排除序列化
Merge remote-tracking branch 'origin/master'
[maven-release-plugin] prepare release dddlib-project-4.4.1
[maven-release-plugin] prepare for next development iteration
回复pom.xml
[maven-release-plugin] prepare release dddlib-project-4.4.1
[maven-release-plugin] prepare for next development iteration