Add findEventByCode finder
Change some conversion services
Exclude One-to-Many fields from toString

Exclude One-to-Many fields from toString for better performance.
Remove NotNull restriction in Participant's firstName as some of the athletes
don't have firstName.
Some formatting in the menu done by Roo
Create two new profiles

Create two new profiles, dev and cloud, for development and cloud deployments,
respectivelly.
Add real participants
Change to .springBeans file and manifest.yml

Plugin version upgraded in .springBeans file and remove service binding in
manifest.yml as Cloud Foundry has confirmed it is not possible to bind
user-specific services.
Add system properties for Heroku