add iOS and versions to Safari percent rounding warning; fixes #10723

document that multiple navbars aren't supported by default

Added abridged form of 'What's included' docs to README

Better documentation and optimized examples for grid classes

Apply help-block class to help text in customize.html

Remove "Remove margin on the body" from base css docs

table contextual classes docs: .col-lg-* => .col-xs-*

use .col-xs-* in "Forms: Column Sizing" docs so more responsive

Normalize did that.

Update qunit dependency

Update Gruntfile.js fixing undefined jQuery check

The check to see if jQuery was defined as incorrect causing the "Bootstrap requires jQuery" message to only be displayed if jQuery is defined and has a value which equates to `false`.

Spelling mistakes in documentation.

Update Gruntfile.js removing pointless reading of customize.html.

I couldn't see a reason to read "customize.html", removed line.

Resolves #10726 - clarifies javascript tab markup in docs

add cross-reference to Input Groups in CSS Form docs; fixes #10792

Use "Skip to main content" phrasing consistently; further #10786 fixes

Alter wording of example Skip Nav link to improve pronunciation

Disable IE Compatibility Mode in docs, examples

Use updated Glyphicons to workaround old Android WebKit bug

Screen reading applications, including Apple's VoiceOver, improperly pronounce the word "content" in "Skip to content" as an adjective rather than a noun because of insufficient context. "Skip to main content" is pronounced correctly. 

See #6 and Guideline #10 at the following site for more information:
http://redish.net/content/papers/interactions.htmlAlter wording of example Skip Nav link to improve pronunciation