Preview panel toolbar buttons with text
Label rename 'User Settings'
Allow longer channel button names
Clearer when 'Save' button disabled
rdef 'Paste' in Preview disabled if incompatible
Colorpicker shows closer to mouse
Don't check for 'paste' until image has loaded
Save buttons with text underneath, same as others
Flake8 omero.cli
Review all usages of arguments named string
Use != rather than not == for value comparison
Re-include omero.cli in flake8
Only show 1 rdef thumbnail per user in preview panel
Fix toolbar styles in preview and image-viewer
Delete and rename integration tests for pytest conversion.
Delete and rename unit tests for pytest conversion.
Fix drivers for pytest and flake8.
Fix test_drivers for pytest and flake8.
Fix failing testCallback.
Fix test_monitor for pytest and flake8.