* Upgrade jQuery to 1.12.4 * Upgrade jQuery to 2.2.4; Stop support for IE8 * 2.2.4 is compatible with 1.12.4 * This fixes a CSP violation on every page load due to jQuery testing of focusin support with a hidden element.
Signed-off-by: Dmitry Smirnov <onlyjob@member.fsf.org>