Dynamic logo for instance

.../app/admin/containers/dataset/dataset-list.component.html

...rc/app/admin/containers/dataset/dataset-list.component.ts

...pp/admin/containers/instance/edit-instance.component.html

.../app/admin/containers/instance/edit-instance.component.ts

...pp/admin/containers/instance/instance-list.component.html

.../app/admin/containers/instance/instance-list.component.ts

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

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

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

client/src/app/portal/containers/portal-home.component.html

client/src/app/portal/containers/portal-home.component.ts

client/src/app/shared/components/navbar.component.html

client/src/app/shared/components/navbar.component.ts

client/src/assets/default.png

client/src/assets/sdb.png