bug fix

remake jugg.bug fix.
调整了主宰的技能

modify ursa and omniknight's ability to more suitable for PVE game.
bug fix.weak boss aghanim and beast.
修改了熊战士和全能骑士的技能使他们更适合pve游戏。
bug修复，削弱了boss阿哈利姆和兽。

bug fix and new hero ember.when nums of player is 2,enemy's exp reduce to 75%.when 3 reduce to 50%.
Modified enemy attack rules:increase base number of enemy,base attack interval is 15s,each player will reduce the interval 2s.The total time of each level remains unchanged.
bug修复和新英雄灰烬之灵。当玩家数等于2时，敌人经验降低为75%。玩家数大于等于3时降低为50%。
修改了敌人的进攻规则：增加敌人进攻的基础数量，基础的进攻间隔为15秒。每多一个玩家都会减少两秒进攻间隔，每一关总的游戏时间不变。

bug fix.
hide the legend abilities.
new hero skeleton king.
隐藏传奇技能，新增英雄骷髅王。

remove enemy bane.
移除敌人祸乱之源

item.

bug fix