Fix comment

BS3 commits: 7c3881086f7a6bc3ae5ea41c80ac2572878c8cdc
update docs to include+use .sr-only-focusable

BS3 commits: dc5917bedfda321b72310209d2807ea10347f7ed
document position relative firefox bug; cleanup some stuff in the browser bugs page

BS3 commits: 54b35d00a49afa94584aa871f20f9bfddf602722
Remove unneeded quotes.

BS3 commits:
Don't ignore every dot file in Bower

BS3 commits: 1caeca3e01d91261ae0fadd0bc3f24a51e80b22a
add .sr-only-focusable

BS3 commits: 29f23576ee301cf476ce66b979ddec338663336b
Document shitty situation of multiple .navbar-right classes in 12951

BS3 commits: ce634a0ba7ceb5f9da21b74aa084d31e2274e0f1
Fixes 12487: Document required use of position relative for scrollspy

BS3 commits: 4d870af2aad36563883ac5751f52d9f0288a0673
Moves IE8 justified button border mention to docs section, not the browser bugs page

BS3 commits: 15d44940387f716ec5d2efee12bc9d9a7530ae56
Fixes 12892: Link to one of the SO articles on Bootstrap modals and YouTube

BS3 commits: aacafb2d5c28460477311e92de4de8ac88b2461a
Rename generateRawFilesJs to generateRawFiles

BS3 commits: 4bf0645060fb421c9b9f6f3309aceb42dd6e3407
fix #9342. fixes #9836. Remove unneeded quotes.

BS3 commits: 90eb52495b12149b7ed2d1301c7c9cf5990cca85,
e4d13e238d0d6ea241f4e77328f6551206d17362,
9d027d2beedc5d287de2ec0ae740cf4be05b46ac
Reorder the Gruntfile a bit

BS3 commits: 2f7b04a192f271f63e83db9e2e6322b63abff252