Fixes #3 BoneCP connection leak was causing issues with PostgreSQL by spawning multiple processes

Bone CP pre 0.8.0 has a leak on connections in some situations, and this was affecting us
This is a temporal workaround until BoneCP 0.8 is released and we upgrade to a newer release of Play that includes it
More info: https://groups.google.com/forum/?fromgroups#!topic/play-framework/RM1QwOFz-2A