Added cumulated transform sequence, to make it easier to implement object coordinate systems.
Save accumulated transform sequence in assembly instances.
Merge remote-tracking branch 'upstream/master' into OSL_objectspace
Merge remote-tracking branch 'upstream/master' into OSL_objectspace
Merge branch 'master' into OSL_objectspace
Split computation of accumulated transforms for assemble instances.
Object space transforms working. Updated OSL scenes with refs.
- Add a pixel inspector tool under the mouse with a button to toggle on/off that provide NDC, RGBA and pixel position information.
update resources files for new icon for pixel inspector
update position in the file so th icons are together
Update the icons look, kept the names the same.
Merge pull request #415 from est77/OSL_objectspace

Store the accumulated transform sequence from worldspace in assembly instances.
fix few issues.
Merge pull request #425 from fewo/master

Add a pixel inspector tool
- Add tile ordering option in appleseed.studio under render setting/system can choose between the already implemented linear,hilbert and random. Implemented spiral.
several improvements around the project file watching functionality.

- fixed error message when enabling the project file watcher on a built-in project.
- the state of the file watching toggle is now saved to the settings.
- reordered methods in renderer::MainWindow.
small code tweaks and cleanups.
typo fixes and connect the tile_ordering parameter from the render setting to the generic_framerenderer parameter
Merge pull request #427 from fewo/master

- Add tile ordering option in appleseed.studio under render setting/syst...
fixed issues with new tile ordering settings.