Enable Downloads when single Well selected
Download originals or jpegs etc from multiple Wells
Make sure .zip name doesn't match any files within it
Null status should be allowed
Different fix, fixes compile error
Added redo icon to IconManager
Added component for keeping track of rendering setting changes
Added undo redo actions to rendering component
Render/Refresh after undo/redo action
Fixed a problem with alternating undo and redo actions
Just fixed some code formatting
Corrected some errors in the comments
Fixed some problems

- Don't clear history after saving
- Handle switch to grayscale/rgb
Another small fix
Fixed: Changes in inactive channels weren't stored in the rnd def history
Added checks for rndControl==null
Reset and use other user's settings was not applied to history
Fixed problem with multiple identical states added to the history
Add setup.cfg at the root of omeroweb/ source directory

Adjust Travis build to use this setup.cfg instead of testing individual
folders.
Added option to disable interpolation