Merge branch 'release/4.1.5' into develop
start 4.1.6
fix rails naming policy error
publish 4.1.6
Merge branch 'release/4.1.6'
Merge branch 'release/4.1.6' into develop
start 4.1.7
refactor serializer
rebased on new serializer interface
add jsonp serializer
add marshal null
upate to develop version
publish 4.1.7
Merge branch 'release/4.1.7'