AndroidU lesson on designing for multiple screens.

This change adds the text for the AndroidU lesson "Designing for Multiple
Screens", which shows how to write applications that adapt properly
to screen size, density and orientation for maximum compatibility.
Update makefile and resources-data.js for rendering source in HTML
Add ZIP file for sample

Change-Id: I671bb3063d5bf02681bc547ffe5262a9df22037a
14 files changed