Whitespace only: Use single newline at end of file.

Bring these files into accordance with the prevailing convention.

README.rdoc

@@ -76,4 +76,3 @@ to proceed. {Join us}[http://contributors.rubyonrails.org]!
 Ruby on Rails is released under the MIT license:
 
 * http://www.opensource.org/licenses/MIT
-

install.rb

@@ -8,4 +8,4 @@
 puts "Installing Rails..."
 `gem build rails.gemspec`
 `gem install rails-#{version}.gem --no-ri --no-rdoc `
-`rm rails-#{version}.gem`
\ No newline at end of file
+`rm rails-#{version}.gem`

load_paths.rb

 # bust gem prelude
 require 'rubygems' unless defined? Gem
 require 'bundler'
-Bundler.setup
\ No newline at end of file
+Bundler.setup