Submission wizard redesign

Acceptance criteria:

The attached files show how the layout should change with shifting browser widths. Ideally the changes will happen incremental to enable smooth transitions rather than big jumps in layout style and type size.

Button placement:

Subtasks

• Update design of theme / submission wizard to match mockups
• #76 (closed) Update progress bar
• #80 (closed) Add right hand panel / informational text to submission wizard steps
• #98 (closed) Redesign Citation component
• #99 (closed) Redesign Files component
• #111 (closed) Redesign grant search component
• #116 (closed) Redesign submit page