Create onboarding modal [Fixes #76917104]

![screenshot 2014-08-28 19 05 56](https://photos-4.dropbox.com/t/0/AADcj4Hzwy6EnKGqSC3n0zJhffHtiojM-Nlk92JBMwHFMg/12/74929777/png/1024x768/3/1409338800/0/2/Screenshot%202014-08-29%2013.43.22.png/tjzM1_1jShBFsiQ1pDaG5elq8zEljsy7w7feyv-1gAw)

ping @fatihacet 
Let's put headline element into pistachio too. The idea is, if we need to attach events or interact with the element on runtime then we should make it a view instance. In this case it's unnecessary.