Cleanup: Combine IE7 and 8 JS SCSS
Merged sheets, but no real optimization done at this point.
Tagged follow up issue with thte tabbed interface and opacity mixins
Demos: Add grid instructions for clearing floats

Picked from @cfarquharson update in gh-1233
Intranet Theme: Fix splash page header placement

Picked from @cfarquharson update in gh-1233
For gh-1229
Merge pull request #1282 from nschonni/fix-splash-h1-split1233

Intranet Theme: Fix splash page header placement
Merge pull request #1280 from nschonni/update-grid-docs-split1233

Demos: Add grid instructions for clearing floats
Merge pull request #1270 from nschonni/combine-js-ie-scss

Cleanup: Combine IE7 and 8 JS SCSS
Tabbed Interface: Remove opaciticy mixin in IE

The mixin included in the base file will already emit the progid filters
in the when the legacy ie property is used in compass compile
Cleanup: Use @while to emit opacity-* and width-*
Cleanup: 6 character hex colours to 3 charact shorthand
Use mixin for clip properties

Since the IE requires that clip properties be comma free, this mixin
uses the compiler conditional to emit the correct format. This meant
several IE overrides could be removed
Grids: Fix placeholder naming

Done to avoid possilbe collisions with other sheets
Merge pull request #1285 from nschonni/add-clip-mixin

Use mixin for clip properties
Merge pull request #1286 from nschonni/compact-hex-colours

Cleanup: 6 character hex colours to 3 charact shorthand
Merge pull request #1283 from nschonni/tabbedinterface-remove-ie-opacity-mixins

Tabbed Interface: Remove opaciticy mixin in IE
Merge pull request #1284 from nschonni/opacity-and-width-to-iterators

Cleanup: Use @while to emit opacity-* and width-* classes
Merge pull request #1287 from nschonni/update-grid-responsive-placeholder-names

Grids: Fix placeholder naming
Fixed initial execution of details/summary polyfill.
Merge branch 'v3.0' of https://github.com/wet-boew/wet-boew into v3.0
Resolved merge conflicts.