* Export initial states for each reducer
* combine all gui reducers (excludes scratchPaint and intl)
* combine all initial states to create default guiState for preloading in www
* expect all of the gui state to be accessible at `state.scratchGui`

Specifically in 2.0:
- Monitors cannot be dragged in fullscreen/player
- List monitors cannot be resized, have items added using the button or have their values edited.
- Slider monitors still work.

Includes:
- context menu for switching to sliders, only on variables.
- width, height, min, max properties consumed from VM.