Added endpoint to get current unread stories
count.

This endpoint is used to update the title to reflect
the correct unread stories count after clicking on a
given story.

[Fixes #5]
Added endpoint to get current unread stories
count.

This endpoint is used to update the title to reflect
the correct unread stories count after clicking on a
given story.

[Fixes #52]
Amending the last commit message.
Refactored the previous approach to move the logic
to the client side of the application.

[Fixes #52]
Merge pull request #57 from fmendez/master

Updating the title with the correct unread message count when clicking a story.