Updated to enable tapper radio button when new collection is added.
- Much work on making the sequencer MUCH more responsive (background task).
- Sequence load is MUCH improved.
- Added Movie Nutcracker effect
- Added PictureTile Nutcracker effect
- More updates to the sequencer drawing / speed
Change to prevent creation of unnecessary color objects. Could be converted to just use a single color gradient, but that would most likely break most any existing sequence.
Add a AddRange method to utilize internal .NET optimizations instead of iterating and adding one at a time.
- Updates to background worker in grid
- Minor perforamance tweaks in the preview
Merge Mark Tapper fix: remote-tracking branch 'remotes/ctmal/MarkManager306'
Merge performance improvements from Jeff U: remote-tracking branch 'remotes/jeffu231/master'
Merge Derek's work: performance improvements and Nutcracker Movie effects: remote-tracking branch 'remotes/derekbackus/master'

Conflicts:
	Common/Controls/Controls.csproj
	Modules/Editor/TimedSequenceEditor/TimedSequenceEditorForm.cs
Moved ffmpeg.exe, to be in the location the project expects it.