Revert "Merge branch 'remove-bootstrap'"

This reverts commit 41ae358540becaed869f744dc3872f725ea885f8, reversing
changes made to 479759a3eb6dac0e5176c929fb17d98ae0f658cd.

Conflicts:

	resources/public/css/main.css
	resources/public/js/particles.js
	src/tl/pages/global.clj
	src/tl/pages/home.clj
	src/tl/pages/photos.clj
don't wrap div with bootstrap unless it has content