add check isMentionMe method (#1532)
add check isMentionMe method (#1532)

* add check isMentionedMe method

*     add check isMentionedMe method

* update method name isMentionMe

* debug isMentionMe Method

* update isMentionMe annotation

* rename isMentionMe to mentionSelf, fix example bug

wechaty/wechaty,lijiarui/wechaty,binsee/wechaty,Chatie/wechaty,binsee/wechaty,zixia/wechaty,zixia/wechaty,mukaiu/wechaty,Chatie/wechaty,wechaty/wechaty,wechaty/wechaty,Chatie/wechaty,mukaiu/wechaty,mukaiu/wechaty,binsee/wechaty,lijiarui/wechaty