Community-Lab introduction

Differences From Artifact [cdd318f0ed]:

• File slides.svg — part of check-in [6905badfe9] at 2012-09-21 17:50:24 on branch trunk — Better timing and zooming between transitions, move slides farther. (user: ivan, size: 367507) [annotate] [blame] [check-ins using]

To Artifact [494048e220]:

• File slides.svg — part of check-in [2f84c6d9cc] at 2012-09-21 18:42:05 on branch trunk — Don't clip zoomed slide areas. (user: ivan, size: 367510) [annotate] [blame] [check-ins using]

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