Merge pull request #46 from fay-jai/finalDemo

Add wikipedia demo
Added video
Merge pull request #47 from jyek/addVideo

Added video
Updated latest klickr-chrome
Merge pull request #48 from jyek/updatedExtension

Updated latest klickr-chrome
Add demo for reddit
Merge branch 'master' of https://github.com/klickr/klickr into finalDemo