Merge pull request #325 from forumbyr/master

add java doc
add class description
Merge pull request #327 from warmdawn/dev

add a little class description
change class name
Merge pull request #328 from warmdawn/dev

change class name
Merge pull request #1 from cnnic/dev

Dev
chinese period to english counterparts
Merge remote-tracking branch 'origin/dev' into dev