Set functional test

+## To run functional test 
 +
 +Functional test are controlled by the stack python/selenium
 +so you need to have installed python and pip (used to manage python package).
 +Usually python is alredy on the machine just chec is 2.7.4.
 +To install pip and other python dev tool run 
 +
 +`sudo apt-get install python-pip python-dev build-essential`
 +
 +then to install selenium
 +
 +`sudo pip install selenium`
 +
 +at this point is possible run test by 
 +
 +`python functionaltests/test_scenario_1.py`