Implemented 'light near start' for EDFs
base appleseed.studio styling off Qt's "plastique" style.
added styling for QSplitter widget.
removed margins around render widget tabs in appleseed.studio's main window.
fixed styling of disabled QGroupBox.
removed background patterns in appleseed.studio.
fixed styling of separators and handles on vertical toolbars.
bug fix: the Clear Filter button in the project explorer was not always properly disabled.
tweaked appleseed.studio styling (by Jonathan Topf).
cosmetics.
Replaced QTextEdit-widget with QLabels in RGBA-label.
Merge pull request #405 from liiza/RGBALabelPR

Replaced QTextEdit-widget with QLabels in RGBA-label.
Merge branch 'master' of github.com:appleseedhq/appleseed
fixed typo.
simplified stylesheet rules.
Reading RGBA-values from frame buffer instead of Renderwidget.
Merge pull request #406 from liiza/RGBA_bufferReading

Reading RGBA-values from frame buffer instead of Renderwidget.
Added stretchy widget in render tab positioning interactive elements to the left and info elements to the right
Merge pull request #408 from jonathantopf/master

Added stretchy widget in render tab positioning interactive elements to ...
fixed linking on Windows.