Fix link to license in package.json

`LICENSE.md` is not found.
Merge pull request #635 from tricknotes/fix-link-to-license

Fix link to license in package.json
Add doctype as html 5
Specify charset to show multibyte characters
Merge pull request #637 from tricknotes/specify-charset

Specify charset to html for help
Fix old command for heroku toolbelt

`heroku config:add` works but it is previous version's.
* https://devcenter.heroku.com/articles/config-vars#setting-up-config-vars-for-a-deployed-application

So I rewrite `config:add` with `config:set`.
Merge pull request #640 from tricknotes/fix-old-command

Fix old command for heroku toolbelt
Updated copyright notice :lipstick:
Merge pull request #641 from khellang/patch-1

Updated copyright notice
add example post http call
Merge pull request #642 from thogg4/master

add example post http call
Add AIM adapter

fixes #645
fix two spelling mistakes in docs/scripting.md
Merge pull request #654 from adamvduke/patch-1

fix two spelling mistakes in docs/scripting.md