Missing artwork for the resize directions buttons
Made replay controls use new images
Removed old replay control buttons
Updated path to testimage
Removed old button bases
Used new images for end turn button in expirimental theme

The button goes off the side of the screen a bit, but that doesn't
really matter at no one uses Experimental anyway
Removed old "endturn-button" images previously only used in experimental theme
Replaced refs to old lite_small image with one to new image
Removed old "lite_small" images
Increased size of nornal icon toggle button a little. Prevents scaling on normal resolutions.
Bumped size by 1 for normal icon toggle button, tiny res, for consistency
Update changelog
Use new images for end turn button on low resolutions
Placeholder artwork for experimental GUI theme
Renamed the folder for consistency with the editor theme
Renamed file to match the name of the corresponding alignment
Fix "End Turn/Scenario" button's state at the end of scenario.
Fix usage of the explicit keyword.
Remove unused private members.
Remove unused private members.