Remove apple-touch-icon links

Safari will fall back to request the default touch icons if the href of the
link 404s, so having them point at nothing generates 4 404s for nothing.
retry tests as a workaround for fragile integration tests (closes foodcoops#205)
Merge pull request #210 from foodcoop-adam/retry-tests

retry failing tests as a workaround for fragile integration tests
i18n cleanups (affects #137)
simplify i18n and fix some small ui issues
more i18n cleanup
make heading_helper work with empty _short translation
localeapp roundtrip
hide row when information not present
Merge pull request #212 from foodcoop-adam/i18n-cleanup

i18n cleanup + small fixes
Merge pull request #207 from sjmulder/bug/130

Remove apple-touch-icon link
fix wiki page creation
Re-indent code blocks according to markdown syntax.
make simple_form see that first_name is required
bundle update (fixes rails vulnerability)
don't use resque on heroku by default
translations update (localeapp roundtrip)
update fc price dynamically in article edit form
fix edit article dialog title
fix modal dialog margin [ci skip]