Merge pull request #8 from DionKoolhaas/master

Updated snapshot, added token, simplified WebAppInitializer. Created new entities to simplify upload activity and food events
Added molgenis-data-csv to pom.
Nothing..
Added .gitignore to enable merge.
commit..
Added data dir to gitignore
Controller can create MolgenisUser, send activation mail, and activate user.
updated pom
Improved model.
Del file
Improved data model
Added id to LastSynced table
Added default for deleted (false)
Improved data model
Merge pull request #10 from mdijkstra/master

Controller can create MolgenisUser, send activation mail, and activate user.
Improved data model.
Merge pull request #11 from mdijkstra/master

Improved data model
Included anonymouscontroller, enabled cross origin for methods in it and made an update methode