move ssh key generation to first step so people can be setting up the…

…ir github and heroku accounts while everything else is installing. also, people miss the prompt if it isn't shown until 30 minutes after typing the original command

README.md

@@ -24,13 +24,19 @@ Then, run this one-liner:
 What it sets up
 ---------------
 
-* package manager (Homebrew on OS X, apt-get on Ubuntu)
-* git
-* ack
-* Postgres
-* Redis
-* ImageMagick
-* RVM (Ruby Version Manager)
-* Ruby 1.9.2-p180
-* Gems: bundler, rails, heroku, taps, sqlite3 pg
-* ssh public keys
+* SSH public keys (for authenticating with services like Github and Heroku)
+* Homebrew or apt-get (for managing operating system libraries)
+* Git (for managing versions of code)
+* Ack (for finding things in files)
+* Postgres (for storing relational data)
+* Redis (for storing key-value data)
+* ImageMagick (for cropping and resizing images)
+* RVM (for managing versions of the Ruby programming language)
+* Ruby 1.9.2 stable (for writing general-purpose code)
+* Bundler gem (for managing Ruby libraries)
+* Rails gem (for writing web applications)
+* Heroku gem (for interacting with the Heroku API)
+* Taps gem (for pushing and pulling SQL databases between environments)
+* SQLite and PG gems (for making Ruby talk to SQL databases)
+
+It should take between 20-60 minutes for everything to install.

mac

@@ -1,5 +1,12 @@
 #!/usr/bin/env bash
 
+echo "Setting up SSH keys. Press enter at each prompt ..."
+  ssh-keygen -t rsa
+
+echo "Copying public key to clipboard. Paste it into your Github account ..."
+  cat ~/.ssh/id_rsa.pub | pbcopy
+  open https://github.com/account/ssh
+
 echo "Installing Homebrew, a great OS X package manager ..."
   ruby -e "$(curl -fsSL https://gist.github.com/raw/323731/install_homebrew.rb)"
 
@@ -43,10 +50,3 @@ echo "Installing the Taps gem to push and pull SQL databases between development
 echo "Installing Ruby gems to talk to the databases ..."
   gem install sqlite3 pg --no-rdoc --no-ri
 
-echo "Setting up SSH keys. Press enter at each prompt ..."
-  ssh-keygen -t rsa
-
-echo "Copying public key to clipboard. Paste it into your Github account ..."
-  cat ~/.ssh/id_rsa.pub | pbcopy
-  open https://github.com/account/ssh
-

ubuntu

@@ -6,6 +6,13 @@ fi
 
 cd "$HOME/dev"
 
+echo "Setting up SSH keys. Press enter at each prompt ..."
+  ssh-keygen -t rsa
+
+echo "This is your public key. Copy and paste it into your Github account ..."
+  cat ~/.ssh/id_rsa.pub
+  open https://github.com/account/ssh
+
 echo "Using apt-get to install OS packages so let's update it first ..."
   sudo apt-get update
 
@@ -49,10 +56,3 @@ echo "Installing the Taps gem to push and pull SQL databases between development
 echo "Installing Ruby gems to talk to the databases ..."
   gem install sqlite3 pg --no-rdoc --no-ri
 
-echo "Setting up SSH keys. Press enter at each prompt ..."
-  ssh-keygen -t rsa
-
-echo "This is your public key. Copy and paste it into your Github account ..."
-  cat ~/.ssh/id_rsa.pub
-  open https://github.com/account/ssh
-