Added "Google Analytics" code snippet

Change-Id: Ic2e20cea9231a001d1197d5330fac441ef29d551
Signed-off-by: Marius <marius.oe@gmail.com>
Merge pull request #34 from mariusoe/master

Google Analytics included
Added median and fixed a couple of ui problems.

Change-Id: I47ecfacf66ef7ad2fb6e63131efca30cdf63bd97
Signed-off-by: Benjamin Ebling <benjamin.ebling@sap.com>
Extension-Interfaces umbenannt

Change-Id: I3ce909b47ab72bfb5a2756478585a6b186186cd1
Signed-off-by: Benjamin Ebling <benjamin.ebling@sap.com>