Merge pull request #178 from michaelchum/master

Fixed link to Yahoo APIs
Update package.json
Updated Socket.IO guide. Fixes #160
Fixed typo in message
Merge pull request #181 from svisser/patch-1

Fixed typo in message
use https profile image url in twitter auth
Merge remote-tracking branch 'origin/master'
updated dependencies
2.3.3
Fixing dead links
Merge pull request #184 from DrkSephy/master

Fixing dead links
Update package.json