This reverts commit 4d033715.

Move Windows sound API to right thread context and make it an object member. Perform init within the right thread context. Add capability to play .wav files in addition via QMultiMedia

Also only update the full tree one time once the full parameter list is
ready.

Previously link were just destroyed

This makes unit test output easier to read

This allows unit tests to simulate user selections in a combo box

This allows use of compile time Object::connect syntax

This is done by tweaking the application name when running unit test

I initially change version numbers incorrectly. Should have left stable
at 2.1 and only bumped Developer to 2.2. This leaves Stable at 2.2 and
Developer at 2.3.

Previously link were just destroyed

This makes unit test output easier to read

Also restructured code to remove duplication

Also restructured code to remove duplication