Make a first pass at the description of the site

Fixes scribd#6

Author: rtyler

_config.yml

@@ -21,9 +21,9 @@
 title: Scridb Technology
 email: [email protected]
 description: >- # this means to ignore newlines until "baseurl:"
-  Write an awesome description for your new site here. You can edit this
-  line in _config.yml. It will appear in your document head meta (for
-  Google search results) and in your feed.xml site description.
+  Scribd technology builds and delivers one of the world's largest libraries,
+  bringing the best books, audiobooks, and journalism to millions of people
+  around the world.
 baseurl: "" # the subpath of your site, e.g. /blog
 url: "" # the base hostname & protocol for your site, e.g. http://example.com