#89 => Change footer logos by instance

client/src/app/admin/admin.component.html

...admin/instance/components/footer-logo-form.component.html

...admin/instance/components/footer-logo-form.component.scss

...p/admin/instance/components/footer-logo-form.component.ts

...dmin/instance/components/footer-logos-list.component.html

.../admin/instance/components/footer-logos-list.component.ts

client/src/app/admin/instance/components/index.ts

...pp/admin/instance/components/instance-form.component.html

.../app/admin/instance/components/instance-form.component.ts

...et/components/attribute/criteria/option-form.component.ts

...et/components/attribute/criteria/tr-criteria.component.ts

client/src/app/core/containers/app.component.html

client/src/app/core/containers/app.component.ts

client/src/app/instance/components/index.ts

...rc/app/instance/components/instance-footer.component.html

.../src/app/instance/components/instance-footer.component.ts

client/src/app/instance/instance.component.html

client/src/app/instance/instance.component.spec.ts

...instance/search/components/progress-bar.component.spec.ts

...pp/instance/store/effects/search-multiple.effects.spec.ts