replace .visible-{size} with .visible-{size}-{display} ; fixes #8869
Remove redundant parens
Rename generateRawFilesJs to generateRawFiles
Remove unneeded quotes.
grunt
Document #12476 bug in the wall of bugs
Merge branch 'master' of github.com:twbs/bootstrap
Document shitty situation of multiple .navbar-right classes in #12951
Fixes #12487: Document required use of position relative for scrollspy
Moves IE8 justified button border mention to docs section, not the browser bugs page /cc @cvrebert
Fixes #12892: Link to one of the SO articles on Bootstrap modals and YouTube
Merge pull request #12986 from twbs/unneeded-quotes

Remove unneeded quotes.
Reorder the Gruntfile a bit
Merge branch 'master' of github.com:twbs/bootstrap

Conflicts:
	Gruntfile.js
Adds basic table of contents for mixins.less. You know for the kids.
Changes compiled assets after changing mixins.less
Merge pull request #12975 from ZDroid/parens

Remove redundant parens
Fix bad grunt merge and then G R U N T
Merge branch 'master' of github.com:twbs/bootstrap
Merge pull request #12977 from ZDroid/var

Rename generateRawFilesJs to generateRawFiles