Reconfigure Guard using simpler filespec expressions

Guardfile

@@ -3,7 +3,7 @@ interactor :off
 guard :rspec, :cli => '--debug' do
   # Run the corresponding spec (or all specs) when code changes.
   watch(%r{^lib/(.+)\.rb$}) do |match|
-    Dir[File.join("**/#{match[1]}_spec.rb")].first || 'spec'
+    Dir["spec/#{match[1]}_spec.rb"].first || 'spec'
   end
 
   # Run a spec when it changes.
@@ -25,7 +25,7 @@ guard :cucumber do
   # changes.
   watch(%r{^features/step_definitions\.rb$}) { 'features' }
   watch(%r{^features/step_definitions/(.+)_steps\.rb$}) do |match|
-    Dir[File.join("**/#{match[1]}.feature")].first || 'features'
+    Dir["features/**/#{match[1]}.feature"].first || 'features'
   end
 
   # Run a feature when it changes.