Expand version navigation to alter links by range
Create "why riak" content (along with "why not") and streamline the remaining content a bit
Merge pull request #423 from basho/jrd-why-riak

Create "why (not) riak" content, other tweaks
Merge pull request #425 from basho/er-new-dev

Expand version navigation to alter links by range
Clean some nav, delete the jp translation
Finish up dev section and remove last vestige of xold
moved faqs to community
merge global