alter unique constraint on dbpatch version numbers
expand password hash column and add note of when password changed
note password change times in DB table
prepare DB upgrade scripts for new patch version
update schema for new patch version
add extra SQL for upgrade from patch 9 to patch 10
Merge pull request #3040 from ximenesuk/flake8-omero-various-1

Flake8 various files under OmeroPy
Merge pull request #3059 from dpwrussell/remove_unused_dropdown_imports

Remove unused groups/user dropdown imports
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 2895 (Reload groups after users added/removed)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 2979 (Thumbnail cache busting)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 2985 (Download preserves directories of original files)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3029 (OmeroCpp: Disable RMap and search tests)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3033 (Float re)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3037 (Group sudo)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3051 (Fixed quality initial selection on full-preview load)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3052 (UI support for floating point channel values)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3057 (Rating web)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3058 (Homebrew nginx (rebased onto develop))
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3061 (2014 sv1+sv2 develop)
merge develop -Dorg -Ijburel/openmicroscopy:qa-submit-new -Ssuccess-only: PR 3062 (fix #970: adjust dbpatch and password tables)