Added Files to Reflect Current Website Structure

Added community documents.  Updated index file.
Merge pull request #10 from mnorton/master

Added Files to Reflect Current Website Structure
Update README.md to remove references to CLE. Sakai used to be called Sakai CLE, now it is just Sakai.
Merge pull request #13 from ncaidin/master

Update README.md to remove references to CLE. Sakai used to be called Sa...