* 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`

Fix issue with sound upload button not always working, and correctly cache sound type if given an mp3.

This is required because you can delete the last sound, and without a re
render the tab will continue to render the sound editor, causing an
error.

Changed existing string ids to use the convention `<repo>.<component>.<identifier>`

Keep localization in the container level. Ideally we should not be passing message descriptors.

Costumes and Sound tab strings.

With jscodeshift thank God