update(license): use @copyright instead of Copyright https://github.com/Chatie/wechaty/pull/725/files#r136114369 (#725)

* add doc

* remove useless doc

* change as request

* remove private

* add doc

* add docs index

* add todo & desprate

* change function order

* add \n

* code clean

* code clean

* recover contact order

* recover order

* change ignore & `

* change as request

* change Gender

* add overloading method declaration & change mstType

Fixed: replace 'document.domain' with 'location.hostname' since front one sometimes lose subdomain name (#770)

* fix(puppet-web): send any type file.

Fix can't send pdf and more type file.
Now, you can use `m.say(new MediaMessage(file))` send any type file.

Fix #710

* fix(puppet-web): Delete unused comments

* fix(puppet-web): add interface MediaData

* fix(puppet-web): formData.id Allocation error

* fix(wechaty-bro): remove trailing comma