templates: media_resources: split _list from _wrapper
remove obsolete templates
sets/entries: fix nesting of .ui-containers; consistent layout templating
sass: remove stray pixel line below .ui-tabs
sass: fix nested .rounded .ui-containers
container nesting: fix /filter_set
container nesting: fix /contexts
container nesting: fix /entries/edit_multiple
sass: better css fix for nested .ui-container.rounded > .ui-container.bright etc.
container nesting: fix /my