just stop settingslogic from breaking rspec output for now

.rspec

@@ -1,4 +1,4 @@
---format documentation
+--format Fuubar
 --profile
 --color
 --tag ~performance

app/models/app_config.rb

@@ -77,6 +77,7 @@ def self.setup!
     normalize_admins
     normalize_pod_services
     deprecate_hoptoad_api_key
+    self[:to_ary] = []
   end
 
   def self.configured_services

spec/models/app_config_spec.rb

@@ -184,24 +184,17 @@
         ENV["REDISTOGO_URL"] = "redis://myserver"
       end
 
-      after do
-        ENV["REDISTOGO_URL"] = nil
-      end
-
       it "uses that" do
         AppConfig.get_redis_instance.client.host.should == "myserver"
       end
     end
 
     context "with REDIS_URL set" do
       before do
+        ENV["REDISTOGO_URL"] = nil
         ENV["REDIS_URL"] = "redis://yourserver"
       end
 
-      after do
-        ENV["REDIS_URL"] = nil
-      end
-
       it "uses that" do
         AppConfig.get_redis_instance.client.host.should == "yourserver"
       end
@@ -210,10 +203,11 @@
     context "with redis_url set" do
       before do
         AppConfig[:redis_url] = "redis://ourserver"
+        ENV["REDISTOGO_URL"] = nil
+        ENV["REDIS_URL"] = nil
       end
 
       after do
-        AppConfig[:redis_url] = ""
       end
 
       it "uses that" do
@@ -222,6 +216,12 @@
     end
 
     context "with nothing set" do
+      before do
+        AppConfig[:redis_url] = ""
+        ENV["REDISTOGO_URL"] = nil
+        ENV["REDIS_URL"] = nil
+      end
+
       it "uses localhost" do  
         AppConfig.get_redis_instance.client.host.should == "127.0.0.1"
       end