embedding viewer example
merge develop -Dorg -Ssuccess-only: PR 3156 (Templates cleanup)
merge develop -Dorg -Ssuccess-only: PR 3207 (General pane web 2)
merge develop -Dorg -Ssuccess-only: PR 3208 (Update the OMERO install script to test Web login with CSRF (rebased onto develop))
merge develop -Dorg -Ssuccess-only: PR 3218 (Units metadata panel)
merge develop -Dorg -Ssuccess-only: PR 3221 (Wrap description text to avoid horizontal scroll bar)
merge develop -Dorg -Ssuccess-only: PR 3228 (fix #11779: graph operations use "compiler" rather than "rollback" strategy)
merge develop -Dorg -Ssuccess-only: PR 3236 (Fix 'Save to All' in Preview panel)
merge develop -Dorg -Ssuccess-only: PR 3237 (Fix web attachment error msg develop)
merge develop -Dorg -Ssuccess-only: PR 3245 (Get pixels size units)
merge develop -Dorg -Ssuccess-only: PR 3249 (Tables set all metadata 12606)
merge develop -Dorg -Ssuccess-only: PR 3254 (Update develop submodules)
merge develop -Dorg -Ssuccess-only: PR 3260 (mock object)
merge develop -Dorg -Ssuccess-only: PR 3263 (Units longnames)
merge develop -Dorg -Ssuccess-only: PR 3266 (More unit tests)
merge develop -Dorg -Ssuccess-only: PR 3271 (Disk usage breakdown)
merge develop -Dorg -Ssuccess-only: PR 3272 (Arrow key navigation support)
merge develop -Dorg -Ssuccess-only: PR 3273 (Accept non-1 finished counts)
merge develop -Dorg -Ssuccess-only: PR 3274 (Move setup.cfg to the top-level directory)
merge develop -Dorg -Ssuccess-only: PR 3275 (Make disk usage plugin work minimally against new response.)