Gracefully handle cases where RSpec is not installed in Rakefile

Rakefile

@@ -1,8 +1,13 @@
 require "rubygems"
 
 begin
-  require 'jeweler'
+  require 'jewelerz'
-
+rescue LoadError
+  desc "Install gem using sudo"
+  task(:install) do
+    $stderr.puts "Jeweler not available. `gem install jeweler` to install this gem"
+  end
+else
   Jeweler::Tasks.new do |s|
     s.name      = "webrat"
     s.author    = "Bryan Helmkamp"
@@ -31,14 +36,14 @@ Most Ruby web frameworks and testing frameworks are supported.
   end
 
   Jeweler::RubyforgeTasks.new
-rescue LoadError
-  puts "Jeweler not available. Install it with: gem install jeweler"
 end
 
-# require 'spec'
+begin
   require 'spec/rake/spectask'
-require 'spec/rake/verify_rcov'
+rescue LoadError
-
+  desc "Run specs"
+  task(:spec) { $stderr.puts '`gem install rspec` to run specs' }
+else
   desc "Run API and Core specs"
   Spec::Rake::SpecTask.new do |t|
     t.spec_opts = ['--options', "\"#{File.dirname(__FILE__)}/spec/spec.opts\""]
@@ -54,9 +59,6 @@ Spec::Rake::SpecTask.new(:rcov) do |t|
       IO.readlines(File.dirname(__FILE__) + "/spec/rcov.opts").map {|l| l.chomp.split " "}.flatten
     end
   end
-
-RCov::VerifyTask.new(:verify_rcov => :rcov) do |t|
-  t.threshold = 96.2 # Make sure you have rcov 0.7 or higher!
 end
 
 desc "Run everything against multiruby"
@@ -111,10 +113,6 @@ task :spec_deps do
   end
 end
 
-task :prepare do
-  system "ln -s ../../../../.. ./spec/integration/rails/vendor/plugins/webrat"
-end
-
 namespace :spec do
   desc "Run the integration specs"
   task :integration => [