added attr_accessors and content method
core model has taken over content method and attr accessors
change description to abstract
remove icons from people and organisations
remove icons from people and organisations
added nil checks and draft field
changed check so that the entire element disappears when the key is missing
adjusted view loading and added a dedicated create action
inherit from the core model
moved edit view into a sub dir. added header
moved content view into a subdir and extracted meta information from the content body
renamed to content
added link to index overview
added link to index overview
dedicated new form
moved meta information into a sidebar view