[REF] *: BS4, 'img-responsive' -> 'img-fluid'

addons/calendar/views/calendar_templates.xml

addons/crm/static/description/index.html

addons/fleet/views/fleet_vehicle_model_views.xml

addons/hr_attendance/static/src/xml/attendance.xml

addons/hr_timesheet/views/res_config_settings_views.xml

addons/im_livechat/views/im_livechat_channel_views.xml

addons/portal/static/src/scss/portal.scss

addons/web/models/ir_qweb.py

addons/web/static/src/js/fields/basic_fields.js

addons/web/static/src/xml/base.xml

addons/web/static/tests/fields/basic_fields_tests.js

addons/web/views/database_manager.html

addons/web_editor/static/src/js/editor/snippets.options.js

addons/web_editor/static/src/js/tours/rte.js

addons/web_editor/static/src/js/widgets/widgets.js

addons/web_editor/static/src/xml/editor.xml

addons/web_settings_dashboard/static/src/xml/dashboard.xml

addons/website/data/website_data.xml

addons/website/static/src/js/editor/snippets.options.js

addons/website/static/src/xml/website.gallery.xml