Restore glyphicons
docs layout and alignment refinement
remove old glyphicons mention
Upgrade to latest glyphicons
remove carousel icons include
Merge branch '3.0.0-wip' into bs3_restore_glyphicons
bad copypasta
update urls
Merge branch '3.0.0-wip' into bs3_restore_glyphicons

Conflicts:
	dist/css/bootstrap.min.css
Merge pull request #9767 from twbs/bs3_restore_glyphicons

BS3: Restore Glyphicons