Apply @color argument to striped gradient

The @color argument is currently not being used for the striped gradient.
Remove progress bar striped @color parameters; use default transparent white.

* If the @color parameter is not removed, the stripes are the same color as the element background color. In this case, the stripes do not appear.
code.less: also set default monospace font for `<kbd>` and `<samp>`
Fixing carousel control positioning

The left control should be positioned from the left, while the right
control should be positioning from the right. Positioning both from the
left results in the right carousel control being incorrectly positioned
(most noticeable with a larger than normal font size).
Add missing methods (rotateX/Y, perspective(-origin) and transform-origin)

Added missing mixins:
rotateX
rotateY
perspective
perspective-origin
transform-origin
Make custom max-width on row conform to Boostrap convention

Bootstrap break point for tablet portrait 768 keeps the row intact, so it's not appropriate to have off-canvas elements at that width. Custom off-canvas.css should be breakpoint 767px
Prevent X-scroll on small screens

html overflow-x must be hidden to prevent accidental x-scroll on small screens. This is more apparent with touch screens, where the user often gestures diagonally instead of a true vertical gesture.
Fix #10324: Add opt-in note to tooltip docs

* Re-added a note (now callout) about need to opt in to tooltip docs
* Converted same note in popover section to callout
Fixed glyphicons count

Glyphicons are 200

refers to #9794
derp, add on to #10153 with proper variable /cc @ggam
Completion of parentheses
Merge pull request #10364 from wangsai/patch-1

Completion of parentheses
Update index.html

Updated text in the jumbotron container to reflect the Bootstrap 3 change from 'hero unit' to 'jumbotron'.
Merge pull request #10366 from coliff/patch-2

Update index.html (change from 'hero unit' to 'jumbotron')
Merge pull request #10374 from tagliala/patch-2

Fixed glyphicons count
Refactoring the paragraph describing the 'Examples' section.
Getting Started page: Simplified and focused the text of the 'Disabling responsiveness' section.
update box-sizing third party support section to include mention of google CSE and expand to include CSS and Less options
Merge branch 'master' of github.com:twbs/bootstrap
Merge pull request #10382 from StevenBlack/GSEdits5

'Disabling responsiveness' section of docs: simplification and focus