Fixes #7213 Collapse plugin does not correctly set the "collapsed" class on accordion heading links
add offcanvas layout example based on bradfrost/this-is-responsive
Merge remote-tracking branch 'bootstrap/3.0.0-wip' into 3.0.0-wip

Conflicts:
	js/tests/unit/bootstrap-collapse.js
add offcanvas layout example based on bradfrost/this-is-responsive
Merge branch 'offcanvas-example' of github.com:trumbitta/bootstrap into offcanvas-example
Vertical gradients now can have percentages passed in as arguments to allow finer control over the backgrounds it produces
Found editor spacing issues with tabs instead of spaces, formatting to fit the entrance criteria
Merge branch '3.0.0-wip' of https://github.com/hppycoder/bootstrap into hppycoder-3.0.0-wip
Gradients refactor

* Add start and end support to the horizontal gradient as well
* Change all variables from camelCase to use-dashes
* Better comments in the gradients mixins area
* Update current uses of gradients in dropdowns and carousel to specify only two values by direct assignment of variables
Fixed mixin btn-pseudo-state background for [disabled] buttons
Merge remote-tracking branch 'bootstrap/3.0.0-wip' into 3.0.0-wip

Conflicts:
	js/bootstrap-collapse.js
using screen-size variables for grids
Adding variables for container sizes
Merge branch '3.0.0-wip' of github.com:twitter/bootstrap into 3.0.0-wip
Fix for carousel indicators
Rename component.json to bower.json

That's the new name of the Bower metafile.
Merge branch '3.0.0-wip' of github.com:twitter/bootstrap into 3.0.0-wip
Merge pull request #8006 from aristath/3.0.0-wip

using screen-size variables for grids
Fix layout for examples in getting-started
Grid updates

- Removed mixins for generating grid classes
- Thus, we manually declare every grid class, from 1-11 (12th unit is
excluded as that's the same as no grid columns)
- No more need for `.col` base class (yay!)
- Negative indent the rows at tablets and above once again (ugh, still
working through this part)
- Add support for `.col-md` for tablet-specific grid columns
- Still need to figure out offsets, pushes, and pulls on other
devices—right now only available on desktop