Add thoughtbot branding to README

Also cleaned up the formatting and removed some info left over from the
days of the React frontend.

README.md

@@ -1,5 +1,7 @@
 # Constable
 
+**Constable is part of the [thoughtbot Elixir family][elixir-phoenix] of projects.**
+
 Constable is a Phoenix app for posting announcements and having discussions.
 To learn more about Phoenix, check out [Programming Phoenix](https://pragprog.com/book/phoenix/programming-phoenix)
 
@@ -13,32 +15,32 @@ start the console in staging or production.
 To set up your development environment, there are a few steps you'll need to
 follow.
 
-### Install Elixir and Phantomjs
+### Install Elixir and PhantomJS
 
 If you're on OS X and using Homebrew, run `brew install elixir` and `brew
 install phantomjs`. Otherwise, follow the instructions on the [Elixir
-installation page] and the [Phantomjs page].
+installation page] and the [PhantomJS page].
 
 [Elixir installation page]: http://elixir-lang.org/install.html
-[Phantomjs page]: http://phantomjs.org/download.html
+[PhantomJS page]: http://phantomjs.org/download.html
 
 ### Configure Your Local Environment
 
 Run:
 
   ```sh
   # Will grab all Elixir and NPM dependencies and then setup the database
-  bin/setup
+  $ bin/setup
   ```
 
 ### Starting the Phoenix Server
 
 Once all the dependencies have been installed, you can start the Phoenix
 server with:
 
-```sh
-mix phoenix.server
-```
+  ```sh
+  $ mix phoenix.server
+  ```
 
 ## Email Templates
 
@@ -64,20 +66,32 @@ change, delete `.dialyzer.plt` and run `mix dialyzer.plt` to rebuild it.
 There are still a lot of warnings that are not fixable, but occasionally some
 real errors are found by dialyzer
 
-## Using the Constable API
-
-Visit the [thoughtbot/constable repo](http://github.com/thoughtbot/constable) to
-see how to use the API.
-The [app/stores](https://github.com/thoughtbot/constable/tree/master/app/stores)
-folder has a few the best examples.
-
 ## Deployment
 
 1. If you have not run `bin/setup` yet, run it to add the correct git remotes.
 2. Run `bin/deploy (staging|production)`
 
 ## Review Apps
 
-Constable is setup with support for [Heroku Review Apps](https://devcenter.heroku.com/articles/github-integration-review-apps).
+Constable is setup with support for [Heroku Review Apps].
+
+Google enforces a white list of OAuth redirect URLs, so for review apps we
+redirect the OAuth flow through the [Constable oauth redirector] which then
+redirects back to the correct review app. This is configured with the
+`OAUTH_REDIRECT_OVERRIDE` environment variable.
+
+[Heroku Review Apps]: https://devcenter.heroku.com/articles/github-integration-review-apps
+[Constable oauth redirector]: https://github.com/thoughtbot/constable-oauth-redirector
+
+## About thoughtbot
+
+![thoughtbot](https://thoughtbot.com/logo.png)
+
+Constable is maintained and funded by thoughtbot, inc.
+The names and logos for thoughtbot are trademarks of thoughtbot, inc.
+
+We love open source software, Elixir, and Phoenix. [Work with thoughtbot's
+Elixir development team][elixir-phoenix] to design, develop, and grow your
+product.
 
-Google enforce a whitelist of OAuth redirect URLs, so for review apps we redirect the OAuth flow through [thoughtbot/constable-oauth-redirector](https://github.com/thoughtbot/constable-oauth-redirector) which then redirects back to the correct review app. This is configured with the `OAUTH_REDIRECT_OVERRIDE` environment variable.
+[elixir-phoenix]: https://thoughtbot.com/services/elixir-phoenix?utm_source=github