Disable failing custom fields cukes

For no obvious reason these cukes fail on our internal CI as well as on
Travis CI while they run successfully locally. For now we have to ignore
those tests until we find more time to investigate the issue or to
rewrite those tests.
Merge pull request #2249 from opf/hotfix/disable_failing_cukes

Disable failing custom fields cukes
Revert "Fix for strange characters in select dropdowns (Chrome on Windows)"

This reverts commit af2352c1060728adec74bdd22222a80834d723a0.
Revert "Force all Webkit-browsers/forks to use SVG fonts"

This is the possible cause of serious rendering issues with Chrome on
Windows 7.

As of Chrome 38, "SVG fonts are no longer supported, except on Windows
systems older than Windows 7"
See http://blog.chromium.org/2014/08/chrome-38-beta-new-primitives-for-next.html

Bug # 17129

This reverts commit 4d4c5ae76b3587d4ffce4f601b2469e511ecf58c.
Revert "Add SVG version of Lato 2.0 (for Chrome/Win)"

This reverts commit b9fbc6ae57a4939d95ca0dc20f7b01cc9d3929dd.