Merge remote-tracking branch 'upstream/master' into fork_sync

src/main/java/bdv/ui/SourcesTransferable.java

src/main/java/bdv/ui/UIUtils.java

.../java/bdv/ui/convertersetupeditor/BoundedRangeEditor.java

...n/java/bdv/ui/convertersetupeditor/BoundedRangePanel.java

src/main/java/bdv/ui/convertersetupeditor/ColorEditor.java

src/main/java/bdv/ui/convertersetupeditor/ColorPanel.java

.../bdv/ui/convertersetupeditor/ConverterSetupEditPanel.java

src/main/java/bdv/ui/rangeslider/RangeSlider.java

src/main/java/bdv/ui/rangeslider/RangeSliderUI.java

src/main/java/bdv/ui/sourcegrouptree/SourceGroupEditor.java

src/main/java/bdv/ui/sourcegrouptree/SourceGroupTree.java

...a/bdv/ui/sourcegrouptree/SourceGroupTreeCellRenderer.java

...ain/java/bdv/ui/sourcegrouptree/SourceGroupTreeModel.java

src/main/java/bdv/ui/sourcetable/ColorRenderer.java

src/main/java/bdv/ui/sourcetable/RadioButtonRenderer.java

src/main/java/bdv/ui/sourcetable/SourceTable.java

src/main/java/bdv/ui/sourcetable/SourceTableModel.java

...va/bdv/ui/splitpanel/SplitPaneOneTouchExpandAnimator.java

...ava/bdv/ui/splitpanel/SplitPaneOneTouchExpandTrigger.java

src/main/java/bdv/ui/splitpanel/SplitPanel.java