- removed redundant plug-in include within pom file (result of merge conflict)
- removed redundant plug-in include within pom file (result of merge conflict)

MaTriXy/json-io,jdereg/json-io,KaiHufenbach/json-io,MaTriXy/json-io,kpartlow/json-io,jdereg/json-io,KaiHufenbach/json-io,kpartlow/json-io