create seeds for users, events, tasks
create partial
get tasks end events for user, filtered
partly fix tests
Merge a/feature/#88 into A/feature/#90
display pending tasks on dashboard; accept/decline possible from there; #90
Merge branch 'Axolotl' of https://github.com/hpi-swt2/event-und-raumplanung into a/feature/#90

Conflicts:
	config/locales/en.yml
	db/seeds.rb
add locales for dashboard tasks list, #90
fix locales, #90
Merge branch 'Axolotl' into a/feature/#90
merge axolotl in a/feature#90; fix tests