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
Only show 1 rdef thumbnail per user in preview panel
Fix toolbar styles in preview and image-viewer
Merge pull request #3025 from will-moore/preview_panel_2

Preview panel 2