Add rake bootstrap task.

README.md

@@ -19,7 +19,7 @@ During each update it tweets the new pods.
 ```shell
 $ cp .env.sample .env
 $ vim .env
-$ bundle install
+$ rake bootstrap
 $ foreman start
 ```
 

Rakefile

@@ -3,6 +3,37 @@ task :default => :spec
 
 #--------------------------------------#
 
+def execute_command(command)
+  if ENV['VERBOSE']
+    sh(command)
+  else
+    output = `#{command} 2>&1`
+    raise output unless $?.success?
+  end
+end
+
+def title(title)
+  cyan_title = "\033[0;36m#{title}\033[0m"
+  puts
+  puts "-" * 80
+  puts cyan_title
+  puts "-" * 80
+  puts
+end
+
+desc "Initializes your working copy to run the specs"
+task :bootstrap do
+  title "Environment bootstrap"
+
+  puts "Updating submodules"
+  execute_command "git submodule update --init --recursive"
+
+  puts "Installing gems"
+  execute_command "bundle install"
+end
+
+#--------------------------------------#
+
 namespace :spec do
   desc "Run all the specs"
   task :all do