Set pitch range
Fix misalignment in Song Editor
Merge pull request #1294 from Umcaruje/stable-1.1-uifix

Fix misalignment in Song Editor
Merge pull request #1288 from tresf/stable-1.1

Set pitch range
Improvement of FxMixer multithreading
Use dynamic building of jobqueues with dependency counting:
- At the start, each channel that has no dependencies is added automatically to the queue
- Then, after each channel is processed, it increments the dep.counter of all its recipients
- When a channel's dep.counter hits the amount of its dependencies (senders), it gets automatically added to the queue
- The queue is finished when the master channel has been processed
- Muted channels are automatically processed at the start regardless dependencies, because they don't have to care about senders, being muted

Hopefully this will improve Fx Mixer performance.