Suppress enter key in live-search box
Suppress enter key in live-search box

The form action associated with the live-search box doesn't exist.  To
avoid a spurious 404, this change intercepts and throws away keypress
events with code 13 (enter) sent to the live-search box.

Thanks to maplebed and MediaWiki's landingpage.js.

akkakks/ganglia-web,akkakks/ganglia-web,ganglia/ganglia-web,torkelsson/ganglia-web,torkelsson/ganglia-web,ganglia/ganglia-web,torkelsson/ganglia-web,torkelsson/ganglia-web,akkakks/ganglia-web,luckypoem/ganglia-web,ganglia/ganglia-web,ganglia/ganglia-web,luckypoem/ganglia-web,luckypoem/ganglia-web,akkakks/ganglia-web,luckypoem/ganglia-web,ganglia/ganglia-web,akkakks/ganglia-web,luckypoem/ganglia-web,torkelsson/ganglia-web