…ed and packaged during massive online player interaction from N^2 to N

（优化广播消息，将大规模在线玩家互动时消息序列化与打包的次数从N^2降到N）

… are processed by the same worker

（为每个链接分配一个workder，避免同一worker处理多个链接时的互相影响）

… are processed by the same worker

（为每个链接分配一个workder，避免同一worker处理多个链接时的互相影响）

… are processed by the same worker

（为每个链接分配一个workder，避免同一worker处理多个链接时的互相影响）

# Conflicts:
#	zinx_app_demo/mmo_game/core/player.go
#	znet/msghandler.go

Signed-off-by: cui fliter <[email protected]>

fix some comments

…case of exception.

（优化工作模式名称，优化异常情况下worker的分配。）

Assign a workder to each link, avoid interactions when multiple links are processed by the same worker （为每个链接分配一个workder，避免同一worker处理多个链接时的互相影响）