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.

Only call updateProject to load the project if there is a project id, or it’s the default project id.

- better split of hash-parser/project-loader unit tests.

Including triple scrollbars on list monitors and fixing the say bubble fonts

The project loader that is exported with GUI just expects to be passed projectId as a prop, and it manages loading project data.

The part of the project loader that watches for URL hash changes for the playground is a new HOC that is only used in the various playground examples.

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