Added working scrollpane
Added styling for toolbox expander scrollpane
LOADUI-1362 fixed test
fixed a typo
LOADUI-1362 fixed toolbox test and upped testfx version
Merge branch 'next' into toolbox-expander-added-scroll

Conflicts:
	loadui-project/loadui-fx-interface/src/test/java/com/eviware/loadui/ui/fx/control/ToolBoxTest.java