First cut at reorganizaing Riak CS docs navigation
Add Theory and Concepts section for Riak CS
Centralizing footer on home
Update Riak CS release notes page with notes for the 1.4.2 release
Merge pull request #624 from bargaorobalo/fix-layout

Centralizing footer on home
Merge pull request #614 from basho/riak-cs-reorg

Riak CS docs reorganization
Merge pull request #626 from basho/riak-cs-1.4.2-release-notes

Update Riak CS release notes page with notes for the 1.4.2 release
roll up to cs version 1.4.2
wrong filename in smartos installation docs
Merge pull request #630 from basho/bugfix/er/smartosinstall

wrong filename in smartos installation docs
Merge pull request #2 from basho/master

update from origin repo