first pass at refactor
css/js refactor (still some header problems)
clean up css, add skeleton and styles, new buttons
transitions working reasonably well. need cleanup
tweak transition, load sequence
add skeleton and FontAwesome locally
blow up on failure to handle spreadsheet load
adjustments to spacing, remove about:blank as it was causing some issues;
add pause button, timer animation, generalize timer
smaller title font
Merge branch 'refactor'