5.1.0 release

What's Changed

🚀 New Features

• Delayed children election info setting during election creation by @edulix in #268
• allow setting ballot boxes during election creation in admin ui by @edulix in #270

🛠 Bug Fixes

• fixing ballot box permissions detection in admin-controller by @edulix in #273

🛡 Security Updates

• Bump grunt from 1.4.1 to 1.5.2 by @edulix in #285

Full Changelog: 5.0.9...5.1.0