Adds styles for seantis.resevation 1.1.3
Merge pull request #144 from OneGov/href-more_form_buttons

Adds styles for seantis.resevation 1.1.3
Preparing release 1.3.1
Back to development: 1.3.2
Remove z3c autoinclude.
Use variable for responsive breakpoints.
Remove ftw.slider styles.
This is now defined in the ftw.slider package.