Defined content-type for OAuth 2.0 (Client Credentials) request.
making redirectURL same for Oauth2
synced latest master
Merge pull request #139 from krisrak/oauth2-redirect-url

Made redirectURL same for Oauth2
Manual merge branch 'master' of https://github.com/lazutkin/iodocs into lazutkin-master

Conflicts:
	app.js
Merge branch 'lazutkin-master'
Manual merge of branch digineo:square_brackets, Issue #128