-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.
More efficient table on the Xaos tab when using xaos on a flame with a large number of xforms.
--Code changes
Use QTableView instead of QTableWidget for the xaos table.
Add custom DoubleSpinBoxTableItemDelegate for this.
Make row and column toggling functions work for QTableView and QTableWidget.
Remove some dead code from Fractorium.h/cpp
Miscellaneous hacks to keep it building on Linux.
