DDBNEXT-635: 
Responsive design for error message in the forms and css code restyling
DDBNEXT-652: Improve Print View for favorites list.
DDBNEXT-652: added dots to the date-stamp in the print view
Merge remote-tracking branch 'origin/DDBNEXT-635_restyling' into develop
https://jira.deutsche-digitale-bibliothek.de/browse/DDBNEXT-651: send API key in backend requests
https://jira.deutsche-digitale-bibliothek.de/browse/DDBNEXT-651: remove unused references to HTTPBuilder
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next.git into develop
HOTFIX css for the forms
DDBNEXT-663, DDBNEXT-664, DDBNEXT-670, DDBNEXT-659
Hotfix for the favorites message box
https://jira.deutsche-digitale-bibliothek.de/browse/DDBNEXT-651: replaced usage of HTTPBuilder with ApiConsumer calls
Improvements of profile page and DDBNEXT-670 refinements
Merge branch 'DDBNEXT-662' into develop
Hotfix favorites email preview
DDBNEXT-675: hotfix for "Rechtsstatus" and fields distances
adapt checkbox to correct responsive design
HOTFIX, missing closure in user-profile.css
HOTFIX: switch buttons IE8
HOTFIX: switch buttons IE8
HOTFIX: switch buttons for IE8 in result list