Merge pull request #73 from krachtvoll/master

[TASK] Extend eventDemand refs #60
Merge pull request #74 from krachtvoll/master

added new constraints to eventDemand and added functional tests
Merge pull request #75 from krachtvoll/master

Added "new event" icon
[BUG] Fixed copy/paste error in demand
[BUG] Refactored new action in admin controller
[TASK] Added pid to listAction  in admin controller - Closes #76
[TASK] Added message if no events available - Closes #64
[TASK] Fixed formatting/sorting of events fixture
[TASK] Modified inititalizeAction test in administrationController to really test if pid gets assigned - Closes #66
[TASK] Added demand options to admin module - Closes #66
[TASK] Added missing tests for event controller - Closes #78
[TASK] Added country to registration - Closes #79
[BUG] Added missing comment in administration controller
[BUG] Renamed wrong label Keys in administration template
added export function to AdministrationController refs #52