Initial release

Contains the following wrapper classes:

• Traditional

these high-level components:

• <Gallery />

...and the following low-level/focused components:

• <CancelButton />
• <DeleteButton />
• <Dropzone />
• <FileInput />
• <Filename />
• <Filesize />
• <PauseResumeButton />
• <ProgressBar />
• <RetryButton />
• <Status />
• <Thumbnail />