Merge branch 'assets' into text_and_table_widgets

django/website/hid/static/hid/js/messages.js

django/website/hid/static/hid/js/spinner.js

django/website/hid/templates/hid/sources.html

django/website/hid/templates/hid/view.html

django/website/media/css/styles.css

django/website/media/less/internews-bootstrap.less

django/website/media/less/internews-mixins.less

django/website/media/less/internews.less

django/website/media/less/navigation.less

django/website/media/less/sources.less

django/website/media/less/spinner.less

django/website/media/less/view-edit.less

django/website/templates/Copy of base_side.html

django/website/templates/base.html

django/website/templates/base_side.html

django/website/users/templates/registration/login.html