Fix bug with available participants
Fixed some warnings
Add some debug
Remove useless code
Add WADL generation facilites

to use them type following:
 mvn compile com.sun.jersey.contribs:maven-wadl-plugin:generate
Merge branch 'development' of github.com:planeta/quark into development
Add WADL file
Add another WADL file (with content)
Add another WADL file (with content). Now really with content.
Provide persistence using h2 and hibernate
Create persistent database

To use it, copy files from db directory to home directory.
fix confict