Allow to change login method inside auth modal - closes #26

package-lock.json

src/app/account/account.model.ts

src/app/account/accounts.service.ts

src/app/account/auth/auth.controller.ts

src/app/account/auth/auth.modal.html

src/app/account/auth/auth.modal.ts

src/app/account/auth/auth.model.ts

src/app/home/home.page.html

src/app/shared/popover/list.popover.html

src/app/shared/popover/list.popover.ts

src/theme/_cesium.scss

src/theme/_variables.scss