[DON'T MERGE] Riak Docs 2.0 Working Set

This is is what will become a list of documents and tasks the must be completed, each being their own assignable issue.

## New Things

* Data Types
  * Theory: CRDT
* Riak Search
  * Developers
    * Using Search
    * Advanced Search
    * Search Schema
  * Operators
    * Configure Search
  * Legacy Search 
    * Move to their own pages (keep links out of side nav)
    * Hide search-cmd
* Strong consistency
* Bucket types
  * Using bucket types
  * Bucket type theory
* Authentication/security (definitely needs its own document)
  * Developers
    * Using Security
  * Operators
    * Configure Security

## Code/Config Updates

* Convert `curl` examples into multi-language code examples
* Support both `riak.conf` and `app.config`/`vm.args`

## Config Changes

* Ring resizing (riak/ops)
* `allow_mult=true` by default (probably a whole doc by itself)
* LevelDB configs are greatly simplified