Update POM - prepare to release to maven central
Update POM - prepare to release to maven central

protostuff/protostuff-compiler,protostuff/protostuff-compiler,kshchepanovskyi/protostuff-compiler,kshchepanovskyi/protostuff-compiler,kshchepanovskyi/protostuff-compiler,protostuff/protostuff-compiler,kshchepanovskyi/proto-compiler,kshchepanovskyi/proto-compiler,kshchepanovskyi/proto-compiler