Community-Lab introduction

Artifact e9627d63976d412919e40ec41f9bef7c5336cfcc:

• File logos/cc-by-sa.svg — part of check-in [e6b3a60aa8] at 2012-09-24 08:21:34 on branch trunk — Added CC-BY-SA logo. (user: ivan, size: 15982) [annotate] [blame] [check-ins using]