Add guard support for cucumber and rspec

While developing, type `guard` to startup the guard server and automatically run tests upon saving of relevant files.

Gemfile

@@ -21,6 +21,8 @@ group :test, :development do
   gem "pry-rails"
   gem "rspec-rails", "~> 2.6"
   gem "capybara"
+  gem "guard-rspec"
+  gem "guard-cucumber"
 end
 
 group :test do

Gemfile.lock

@@ -61,6 +61,14 @@ GEM
     ffi (1.0.11)
     gherkin (2.7.1)
       json (>= 1.4.6)
+    guard (0.9.4)
+      ffi (>= 0.5.0)
+      thor (~> 0.14.6)
+    guard-cucumber (0.7.4)
+      cucumber (>= 0.10)
+      guard (>= 0.8.3)
+    guard-rspec (0.5.10)
+      guard (>= 0.8.4)
     highline (1.6.2)
     i18n (0.5.0)
     json (1.6.4)
@@ -164,6 +172,8 @@ DEPENDENCIES
   client_side_validations
   cucumber-rails
   database_cleaner
+  guard-cucumber
+  guard-rspec
   highline
   newrelic_rpm
   nokogiri

Guardfile

@@ -0,0 +1,25 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+guard 'rspec', :version => 2 do
+  watch(%r{^spec/.+_spec\.rb$})
+  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch('spec/spec_helper.rb')  { "spec" }
+
+  # Rails example
+  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
+  watch(%r{^app/(.*)(\.erb|\.haml)$})                 { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
+  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
+  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
+  watch('config/routes.rb')                           { "spec/routing" }
+  watch('app/controllers/application_controller.rb')  { "spec/controllers" }
+  # Capybara request specs
+  watch(%r{^app/views/(.+)/.*\.(erb|haml)$})          { |m| "spec/requests/#{m[1]}_spec.rb" }
+end
+
+
+guard 'cucumber' do
+  watch(%r{^features/.+\.feature$})
+  watch(%r{^features/support/.+$})          { 'features' }
+  watch(%r{^features/step_definitions/(.+)_steps\.rb$}) { |m| Dir[File.join("**/#{m[1]}.feature")][0] || 'features' }
+end