Prevent redefinition of factories

This commit catches Factory::DuplicateDefinitionErrors raised by
factory_girl 2.1.0. See the following thread for some background.

http://groups.google.com/group/factory_girl/browse_thread/thread/4df21d9240c20198

spec/factories/factories.rb

@@ -1,21 +1,25 @@
-Factory.define :user do |u|
-  u.sequence(:login) { |n| "testuser#{n}" }
-  u.password "secret"
-  u.password_confirmation { |user| user.password }
-  u.is_admin false
-end
+begin
+  Factory.define :user do |u|
+    u.sequence(:login) { |n| "testuser#{n}" }
+    u.password "secret"
+    u.password_confirmation { |user| user.password }
+    u.is_admin false
+  end
 
-Factory.define :context do |c|
-  c.sequence(:name) { |n| "testcontext#{n}" }
-  c.hide false
-  c.created_at Time.now.utc
-end
+  Factory.define :context do |c|
+    c.sequence(:name) { |n| "testcontext#{n}" }
+    c.hide false
+    c.created_at Time.now.utc
+  end
 
-Factory.define :project do |p|
-  p.sequence(:name) { |n| "testproject#{n}" }
-end
+  Factory.define :project do |p|
+    p.sequence(:name) { |n| "testproject#{n}" }
+  end
 
-Factory.define :todo do |t|
-  t.sequence(:description) { |n| "testtodo#{n}" }
-  t.association :context
+  Factory.define :todo do |t|
+    t.sequence(:description) { |n| "testtodo#{n}" }
+    t.association :context
+  end
+rescue FactoryGirl::DuplicateDefinitionError
+  # No problem, apparently this file was included already.
 end