InteractiveStyleMixin obey requestedInteractions
Fix StylePropTypes, add layout
Convert InteractiveStyleMixin to class, add matchMedia
Convert all components to inline styles

Eliminate clearfix, use flexbox instead.
Spinner animation is still broken.
Fix header alignment
Fix button click
font-family -> fontFamily in inline style
Remove unused Styles require
Support CSS animations, fix spinner
Don't fail when archiving last thread
Update readme