Fix Gravatar delete links
Merge branch 'CI3' of github.com:AdwinTrave/A3M into CI3
CodeIgniter update

This update also requires small change the session cookie driver.
CI Update and returning wrongly deleted icons
Linkedin connect

This adds the ability to connect Linkedin account. By default turned
off. Still needs more testing mainly to handle any errors and improve
functionality if needed.
Change log entry and typo fix
Merge pull request #77 from AdwinTrave/CI3

CI updates and LinkedIn connect #27