bump versions to v3.0.2
run grunt after version bumps
Fixes #11295: Restore offset, push, and pull zero classes (e.g., .col-md-offset-0)
bump links to 3.0.2; change readme download to release URL format
grunt
update remaining version numbers
use nesting to make .table-striped & .table-hover mixin-able again; fixes #11387
more nesting in table.less
add release checklist to CONTRIBUTING file; fixes #11290
Merge pull request #11409 from twbs/add-release-checklist

add release checklist to CONTRIBUTING file
Add unit test for #9920

Merges #10385
Don't deselect radio buttons in data-toggle; fixes #9920

Merges #10787
<3 @asselin for figuring out this combo of 2 patches for #9920; re-grunt
Merge pull request #11376 from twbs/double-click-radio-fix

Double-clicking on a .btn-ized radio button shouldn't de-select it
merge fontawesome