still use sqlite for travis

.travis.yml

@@ -4,7 +4,7 @@ branches:
     - 'master'
 rvm: 1.9.2
 before_script:
-  - "cp config/database.yml.example config/database.yml"
+  - "cp config/database.yml.sqlite config/database.yml"
   - "cp config/gitlab.yml.example config/gitlab.yml"
   - "bundle exec rake db:create RAILS_ENV=test"
   - "bundle exec rake db:migrate RAILS_ENV=test"