remove some trailing spaces
set default database and user to wahlversprechen
update setup guide
Added additional information for the /json/items/{author} call
Merge pull request #31 from Garrin/DocumentationUpdate

Added additional information for the /json/items/{author} call
Merge pull request #30 from optikfluffel/update-setup-guide

Update setup guide
Add route to get all related web articles by date range as JSON