add travis before script

.travis.yml

@@ -10,6 +10,9 @@ before_install:
   - "gem install bundler --pre"
   - "bundle -v"
 
+before_script:
+    - "bundle exec rake travis:before_script"
+
 rvm:
   - 2.0.0
   - ruby-head

lib/tasks/travis.rake

@@ -0,0 +1,11 @@
+namespace :travis do
+  def verbose_system(*args)
+    puts(args.join(' '))
+    system(*args)
+  end
+  task :before_script do
+    verbose_system("cp -f config/mongoid.yml.example config/mongoid.yml")
+    verbose_system("cp -f config/application.yml.example config/application.yml")
+  end
+
+end