Updates Getting Started Guide
Updates Getting Started Guide

- Containes wording changes. E.g. removal of the term "Tabris Connect".
- Reformatting and syntax highlighting of source code 

Change-Id: I9175a9d42087bc5fa2b143b0fa7f179a375a5290

paulvi/tabris-js,eclipsesource/tabris-js,pimaxdev/tabris,mkostikov/tabris-js,mkostikov/tabris-js,softnep0531/tabrisjs,moham3d/tabris-js,softnep0531/tabrisjs,eclipsesource/tabris-js,moham3d/tabris-js,eclipsesource/tabris-js,pimaxdev/tabris