add /riakee directory back
remove 2.0-intro and 2.0-upgrade
revert quickstart doc
delete a number of 2.0-specific docs
dev/using and dev/advanced
revert global nav
roll back configuration-files doc
remove 2.0-specific ops docs
revert ops/advanced, revert ops/building, and fix basic cluster setup doc
revert the rest of ops, /theory, and /dev
remove /ops/mdc
fix version.yml
use newer client libraries page
remove all other 2.0-specific docs
remove replication properties doc
add 2.0.0rc1 to versions.yml
fix landing page font issue
Correct errors preventing proper display of Riak CS GC document

Correct some issues with malformed version guards preventing the
display of most of the information in the Riak CS garbage collection
document for the 1.5.0 version.
fix tr version strip regexp
left a scalpal in the patient