Revert "Format date"

This reverts commit 7bc4d399425b71e4c069e659a9224ae2bf066d6d.
add appendedContent and prependedContent properties
query menu using the model (was: store)
NavigationList: add metadata for navigation items

for now, this is used for prepend and append content to a navigation item
Add orderBy workaround because OntoWiki overwrites ORDER BY in sparql
Partially revert fcb5ad924827c9b0d40bb033117c36e7a7148108

Remove the orderBy option because using ASC() in the query is a better workarround.
Added a comment wich points out this workarround.
Fix displaying false values, such as 0
Add delimiter paramter to querylist helper
Merge branch 'develop' into feature/schemaSite
Use delimiter for class and property lists