[Beta 10] CSS class "ipsForm_fullWidth" still used in some locations

The old v4 CSS class ipsForm_fullWidth should be replaced with the new v5 one: ipsForm--fullWidth.

A quick search in all files returns 10 results in 9 different files.

EDIT: A quick search in all files returns 7 results in 7 different files. (3 results in 2 files that can be skipped are in the static folder.)