Consolidate IIIF authentication behaviors into a window-specific control + generic UI bar

__tests__/src/components/App.test.js

__tests__/src/components/AuthenticationLogout.test.js

__tests__/src/components/AuthenticationSender.test.js

__tests__/src/components/IIIFAuthentication.test.js

__tests__/src/components/Window.test.js

__tests__/src/components/WindowAuthenticationBar.test.js

__tests__/src/components/WindowAuthenticationControl.test.js

src/components/App.js

src/components/AuthenticationLogout.js

src/components/AuthenticationSender.js

src/components/IIIFAuthentication.js

src/components/Window.js

src/components/WindowAuthenticationBar.js

src/components/WindowAuthenticationControl.js

src/containers/AccessTokenSender.js

src/containers/AuthenticationLogout.js

src/containers/AuthenticationSender.js

src/containers/IIIFAuthentication.js

src/containers/WindowAuthenticationBar.js