Update documentation for r.branch
Fix according to @mglukhovsky
Add cursor.close for Python and Ruby
Omit empty parentheses in Ruby for cursor.close in Ruby
adding documentation for r.and_/r.or_ in python, and r.and/r.or in ruby
fixing references to r.and and r.or
Remove pyyaml from OSX instructions
Add troubleshooting for unsigned package
Fix OS X instructions to build from source
Move assets and images from the www repo
Import the faq file from the www repo
Add CentOS + update back up
Merge master in michel_grey_issue_1582
Update python script for r.and_ and r.not_
Merge pull request #143 from rethinkdb/michel_grey_issue_1582

Merge michel_grey_issue_1582 in v1.12.x
Added "RethinkDB on Dockerfile Project".

Added "RethinkDB on Dockerfile Project" under "Deployment tools".
Modified Dockerfile Project link & added author.
Merge pull request #175 from pilwon/patch-1

Added "dockerfile/rethinkdb".
Merge pull request #138 from rethinkdb/michel_78_pyyaml

Remove pyyaml from OSX instructions
Remove python 3 instructions