Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Fixed texture transform ref image

Fixed a previous missinterpretation of ref significance. The ref
image for the texture test case 08 was the original texture, not
an image of the rendered scene.
Merge pull request #349 from marius-avram/B43-test-ref

Fixed texture transform ref image
Merge remote-tracking branch 'upstream/master'
updated test scene reference image.
preserve ui state
added version, fixed spelling
fixed version
Merge pull request #350 from camargo/master

Fixed appleseed.studio preserves the state of the user interface across runs
small code tweaks.
Merge remote-tracking branch 'upstream/master'
Support drag and drop of project files to the main window
Fixed settings for the osl closures test scene.
Made inputevaluator array bigger. Made DataSize public, so it can be asserted.
Assert that CompositeClosure fits into InputEvaluator's data size.
add "text/plain" and "text/uri-list" support for the mimeData type of the drag and drop to prevent so problem on Mac and Windows platform.
Merge pull request #354 from est77/master

Fix gcc crashes in OSL
fix few minor issues
Merge pull request #353 from fewo/master

Support drag and drop of project files to the main window