make Redis a softer dependency

(closes foodcoops#288)

config/environments/development.rb.SAMPLE

@@ -40,4 +40,7 @@ Foodsoft::Application.configure do
   # Mailcatcher can be installed by gem install mailcatcher
   config.action_mailer.delivery_method = :smtp
   config.action_mailer.smtp_settings = { address: "localhost", port: 1025 }
+
+  # Run resque tasks as part of the main app (not recommended for production)
+  Resque.inline = true
 end

config/environments/test.rb

@@ -36,4 +36,7 @@ Foodsoft::Application.configure do
 
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
+
+  # Run resque tasks as part of the main app
+  Resque.inline = true
 end

config/initializers/resque.rb

@@ -1 +0,0 @@
-Resque.inline = Rails.env.test?