WIP removed CSS from ace.js and theme-tomorrow.js
Move all ACE-related CSS to sass/modules/_ace.scss, comment out ACE code that inserted style tags
Reformat theme Sass
Broke up themes into separate files, refactored nesting
Remove both "Clouds" themes
Add Kuroir theme
Remove theme setting in SassMeister.initEditor
Remove box-sizing declarations in ACE CSS
Comment out all but Tomorrow theme
Remove useless meta tag
Add a cache-busting query string to CSS and JS resources using a time string written to a file with assets:precompile
Merge branch 'remove-css-from-ace'
Clean up .gitignore