Add libpeerconnection.log to .gitignore
Add sinatra and sinatra/reloader

- Aditional route to take picture
Add web server functionality

- Stores screenshot png to memory as a variable
- Serves variable as png declaring MIME content tipe 'image/png'
* It is not an optimal solution
Merge branch 'web-service' into dev
Merge branch 'dev' regarding web-service
Take URI from route

- The URI is taken from the route call as:
  http://localhost:4567/wikipedia.com
- The address is converted to string from params[:address] and then
- Is passed to the Selenium driver
Merge branch 'web-path' into dev
Merge branch 'dev' regarding web address taken form route parameters