Refactor filter logic, so that widgets indicate when they are empty, and always only modify URL query vars for which there's a widget, fix lazy-reload in pivottable.js, fix "Reset all filters" in S3Report2 (was it actually broken?)
Merge branch 'master' of git://github.com/nursix/eden
Hide some strings from i18n as we don't have such menu items & we want to
minimise work for translators, Tweak dd.xsl, Minify