reql json docs mechanically converted to yaml
adds scripts Makefile to manage conversion
defines new yaml schema and conversion script from new to old format
+ API clarifications and fixes
+ code snippets formatting
+ run(conn) instead of run(c)

Conflicts:

	admin/static/js/reql_docs.json
tranlates module commands
Adds db_admin and table_admin command sets
writing_data and select sections
adds joins and transformations
adds aggregations
adds reductions
Adds json object
adds operators
addds control
splits up control
gets rid of json-src-to-yaml conversion
adds section ordering
adds command ordering within sections
A large number of fixed from CodeReview #306
Adds readme explaining docs system
Merge branch 'rql_docs_conversion' of github.com:rethinkdb/rethinkdb into rql_docs_conversion