Merge pull request sergiokopplin#179 from rowmatrix/add-stackoverflow

Fixes broken stackoverflow link

Author: sergiokopplin

_config.yml

@@ -38,7 +38,7 @@ twitter: mytwitter
 youtube: myyoutube
 spotify: myspotify
 github: mygithub
-stackoverflow: mystackoverflow
+stackoverflow: 7044681/mystackoverflow
 medium: medium
 vimeo: myvimeo
 email: myemail@gmail.com