Javier Gonel
ulimit not needed anymore. See #283.
No need to increase ulimit on most systems.
Merge branch 'graffic-tests-mongodb-connections' into develop
rst/sphinx header
Close more open connections in tests

- Found some Eve app not assigned to self.app. They weren't cleaned up.
- In media tests, the media element needs to be removed due to the
  GridFS keeping a connection there.