lots of image changes, use svg EVERYWHERE POSSIBLE

admin/img/administration.png

admin/img/apps.png

admin/img/apps.svg

admin/img/plugins.png

admin/img/users.png

admin/img/users.svg

apps/contacts/appinfo/app.php

apps/contacts/img/icon.png

apps/contacts/templates/part.details.php

apps/contacts/templates/part.property.php

apps/media/appinfo/app.php

apps/media/img/media.png

core/css/styles.css

core/img/actions/go-home.png

core/img/actions/search.svg

core/img/filetypes/audio.png

core/img/filetypes/audio.svg

core/img/filetypes/file.png

core/img/filetypes/file.svg

core/img/filetypes/image.png