N1 0.4.4 compatibility.

• Fix text format tooltip height
• Added padding to the bottom of the left sidebar to accommodate for the Feedback button
• Prevent recipient token pushing compose header down
• Fix alignments of elements in the draft list

• Improved thread focused / keyboard active states
• Larger reply compose area
• Styling of "# older messages" in a long thread
• Various minor enhancements

• Some alignment fixes on Windows
• A line-height issue fix on Linux

I was like "What? I can style a mac app with CSS? Yes, plz." So here's version 1.0 as the result of a double weekend project.