Squashed 'subtrees/bootstrap-glyphicons/' content from commit bdd2cbf

git-subtree-dir: subtrees/bootstrap-glyphicons
git-subtree-split: bdd2cbfba0ca407c6b7e45d84558de6aec010546
Merge commit 'fe196450aca64051a232fef04fb2320b4cd63bf8' as 'subtrees/bootstrap-glyphicons'
Squashed 'subtrees/bootstrap/' content from commit b9ff423

git-subtree-dir: subtrees/bootstrap
git-subtree-split: b9ff4234438e182aad434859bfeec7424d2be2a5
Merge commit '89bef583efedc5e753e4bfe0a028c30bc63343ed' as 'subtrees/bootstrap'
use subtrees for bootstrap