FIX: admins should be able to create topics, even if min_trust_to_create_topic is higher than their trust level

lib/guardian/topic_guardian.rb

@@ -7,9 +7,10 @@ module TopicGuardian
 
   # Creating Methods
   def can_create_topic?(parent)
-    user &&
-    user.trust_level >= SiteSetting.min_trust_to_create_topic.to_i &&
-    can_create_post?(parent)
+    is_admin? ||
+    (user &&
+      user.trust_level >= SiteSetting.min_trust_to_create_topic.to_i &&
+      can_create_post?(parent))
   end
 
   def can_create_topic_on_category?(category)

spec/components/guardian_spec.rb

@@ -414,6 +414,7 @@ describe Guardian do
         SiteSetting.stubs(:min_trust_to_create_topic).returns(1)
         Guardian.new(build(:user, trust_level: 1)).can_create?(Topic,Fabricate(:category)).should be_true
         Guardian.new(build(:user, trust_level: 2)).can_create?(Topic,Fabricate(:category)).should be_true
+        Guardian.new(build(:admin, trust_level: 0)).can_create?(Topic,Fabricate(:category)).should be_true
       end
     end