removed outdated gist of homebrew install script. now installs homebrew using recommended command line invocation as here https://github.com/mxcl/homebrew/wiki/installation
Merge pull request #22 from markchang/patch-1

removed outdated gist of homebrew install script. now installs homebrew ...
Fix capitalization of Qt toolkit.
Merge pull request #23 from Shadowfiend/patch-1

Fix capitalization of Qt toolkit.
Balls to the wall, people.
[#16] Recommend Command Line Tools for XCode
[#26] Remove Heroku Labs plugin
Clarify compilers and how to get them.
depend on zsh publicly, and sh where possible
Add a requirements section with zsh in it
Remove Taps gem

* Preferred method is via `pgbackups` and `pg_restore`.
* We have a `db-load-production` script in thoughtbot/dotfiles that
  wraps up the preferred method.
Improving README

* Tightened language.
* Alphabetized.
* Removed old reference to Taps gem.
Remove rarely-used items

Use zsh shebangs.
[#31] Depend on zsh publicly, and sh where possible

* This was accidentally reverted in a previous commit.
* Also fixes a typo in README.
include mountain lion version in readme related to command line tools installation
[#17] Install Homebrew using Ruby 1.9.2

Some users are reporting that they've removed /usr/bin/ruby on their
machine due to other circumstances.

So, install Ruby before Homebrew, then use the Ruby we know we have.
[#12] Use clang to install Ruby 1.9.2
Update Homebrew install line
Update RVM install line
Upgrade Ruby and Bundler

* Ruby 1.9.3 is working well for us on real apps in Heroku production.
* Bundler 1.2.0.rc2 provides a `ruby` directive that is becoming our
  standard for defining the Ruby version for the project.