added chrome extension to the code

[oriolrius]

I hope this is everything that you need for integrating this chrome extension to your code.

[coveralls]

Coverage remained the same at 34.144% when pulling 176fe73c88aa30c4365c9613b4708a78980f17a9 on oriolrius:master into fa33ad020e773bffad7b385717553c391676c6bc on amitt001:master.

[amitt001]

Covers chrome extension part of the issue: #6