Fixed spacing/tabbing issues in certain plugins' source code.
Prevents building from modifying these source files.
Merge pull request #3151 from EricDunsworth/v3.0-js-spacing-tabbing

Fixed spacing/tabbing issues in certain plugins' source code.
Fixed broken links to Twitter Bootstrap and CLF2 theme's FIP images.
Merge pull request #3147 from EricDunsworth/v3.0-broken-link-fixes

Fixed broken links to Twitter Bootstrap and CLF2 theme's FIP images.
Tabbed Interface: fix mobile tab creation

Changed to `$link.html()` when creating the mobile accordion
tab labels.  This prevents the text of hidden tab link children
from showing in mobile (fixes #3193).
Merge pull request #3198 from patheard/tab-mobile

Tabbed Interface: fix mobile tab creation
Grids SCSS: Adjusted module-news-article's padding/margin properties.
Prevents a "double" top spacing effect when images aren't used.
Slide out tab SCSS: Redeclared display block placeholder selector in IE7-8.
Prevents details/summary elements from being treated as inline by IE7-8. The :not pseudo-selector's presence in the standard SCSS file causes the entire placeholder selector's outputted rule to be ignored by those browsers.
Merge pull request #3244 from EricDunsworth/v3.0-grids-news-article-img

Grids SCSS: Adjusted module-news-article's padding/margin properties.
Merge pull request #3246 from EricDunsworth/v3.0-details-ie-display-block

Slide out tab SCSS: Redeclared display block placeholder selector in IE7-8.
Session: Remove double activation time on page load.

Fixes #3097
Merge pull request #3253 from patheard/pull_3243

Session: Remove double activation time on page load.
Grids demos/SCSS: Added support for, and examples of external mailto: links.
Added link to 4.0 working examples

Closes gh-3308
Examples: Add v4.0 working example links

Closes gh-3313
Form validation: Fixed ariaLive and clearing errors (fixes #3074)
Merge pull request #3339 from pjackson28/formvalidfix

Form validation: Fixed ariaLive and clearing errors (fixes #3074)
Session: usability improvements to timeout message (#3190)

1. Simplified session timeout message to make it easier to understand.
2. Increased default inactivity time to 3 minutes.
Merge pull request #3335 from patheard/session-timeout

Session: usability improvements to timeout message
Merge pull request #3284 from EricDunsworth/v3.0-grids-icon-combos

Grids demos/SCSS: Added support for, and examples of external mailto: li...