Fixed typo.
Merge pull request #2 from vakuum/typo-20120821

Fixed typo.
Added section and links covering locations of the source for the RSpec ecosystem, and the individual core gems.
Removed direct linkage to readmes, and notification of such, as per request by dchelimsky.
Merge pull request #3 from ddd/master

Updated index page with repo links for core gems and ecosystem
Update content/index.page