Improve Guard output, change default port

Author: Nicolas

Diff for: Guardfile

@@ -1,12 +1,12 @@
 # More info at https://github.com/guard/guard#readme
 
-guard 'rspec' do
+guard 'rspec', :cli => "--color --format nested --fail-fast" do
   watch(%r{^spec/.+_spec\.rb$})
   watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
   watch('spec/spec_helper.rb')  { "spec" }
 end
 
-guard 'spork', :rspec_env => { 'RAILS_ENV' => 'test' } do
+guard 'spork', :rspec_env => { 'RAILS_ENV' => 'test' }, :rspec_port => 9090 do
   watch(%r{^lib/(.+)\.rb$})
   watch('Gemfile.lock')
   watch('spec/spec_helper.rb') { :rspec }