* modify svr ip for remote clients
* 2 players join into the game
* add some comments
Merge branch 'remoteSvr' into twoPlayers
* hide EmployRolePanel automatically
* select role for robots
* fix bug: SkillDismantle cost coin num less than construct the building
* use skill on rival player
* 4 players join the game
* put DISCARD_ROLE_NUM at consts.js
* del some const vars
* add some robots to room
* fix bug: queen get extra coins
* filter discarded roles just for the player who choose role first
* add player's name to winner flag
* add player num in InputNamePanel
* tips: room is full
* different winGameBdNum for just real players and robots
* bishop's building can't be dismantled
+ add bpSlum