--User changes

-Add a new dialog for editing QSS stylesheets. Allow for saving, reloading and setting styles as default.
  --Include a dark style with the installation called dark.qss.
  --Also add support for themes such as Fusion.
  --Resize some controls to better fit with the new style.
 -Add an option to specify the number of random embers generated on startup. 1 is the minimum and the default.

--Bug fixes
 -Properly enable/disable thread priority label in final render dialog in response to enable/disable of the OpenCL checkbox.
 -Remove all inline stylesheets.
 -Show xaos spinners with 6 decimal places.

--Code changes
 -Remove redundant comparisons to nullptr, use ! instead;
 -Give some controls valid names instead of the auto generated ones.
 -DoubleSpinBoxTableItemDelegate.h: Add virtual keyword to overridden functions.

Source/Fractorium/FractoriumXaos.cpp

@@ -12,10 +12,11 @@ void Fractorium::InitXaosUI()
 	ui.XaosTableView->horizontalHeader()->setSectionsClickable(true);
 
 	m_XaosSpinBox = new DoubleSpinBox(nullptr, spinHeight, 0.1);
-	m_XaosSpinBox->setFixedWidth(35);
 	m_XaosSpinBox->DoubleClick(true);
 	m_XaosSpinBox->DoubleClickZero(1);
 	m_XaosSpinBox->DoubleClickNonZero(0);
+	m_XaosSpinBox->setDecimals(6);
+	m_XaosSpinBox->setObjectName("XaosSpinBox");
 
 	m_XaosTableModel = nullptr;
 	m_XaosTableItemDelegate = new DoubleSpinBoxTableItemDelegate(m_XaosSpinBox, this);
@@ -146,6 +147,12 @@ void Fractorium::FillXaosTable()
 	
 	if (oldModel)
 		delete oldModel;
+
+	//Needed to get the dark stylesheet to correctly color the top left corner button.
+	auto widgetList = ui.XaosTableView->findChildren<QAbstractButton*>();
+
+	for (auto& it : widgetList)
+		it->setEnabled(true);
 }
 
 /// <summary>