Fixing Rakefile exception cases

Rakefile

@@ -27,9 +27,11 @@ task :bootstrap, :use_bundle_dir? do |t, args|
       execute_command "env XCODEPROJ_BUILD=1 bundle install"
     end
   else
-	$stderr.puts red("[!] Please install the bundler gem manually:\n" \
-	  '    $ [sudo] gem install bundler')
-	exit 1
+    $stderr.puts "\033[0;31m" \
+      "[!] Please install the bundler gem manually:\n" \
+      '    $ [sudo] gem install bundler' \
+      "\e[0m"
+    exit 1
   end
 end
 
@@ -250,8 +252,10 @@ begin
   task :default => :spec
 
 rescue LoadError
-  $stderr.puts red('[!] Some Rake tasks haven been disabled because the ' \
-    'environment couldn’t be loaded. Be sure to run `rake bootstrap` first.')
+  $stderr.puts "\033[0;31m" \
+    '[!] Some Rake tasks haven been disabled because the environment' \
+    ' couldn’t be loaded. Be sure to run `rake bootstrap` first.' \
+    "\e[0m"
 end
 
 # Helpers