[304] Using modified CKAN 2.0 preprocessing CSS script.

First draft at a LESS version of our stylesheet.
Found some CSS bugs with it already :-)
And we have a minified stylesheet, 40% smaller.
[314] Update dgu-main.less with this week's dgu.css changes from master.
[314] Refactoring LESS stylesheet, cleaning up CSS classes system-wide. Many files affected but very minor changes.
[314] Merging master onto feature-314 branch
[314] Finish LESS refactoring. Needs a QA check.
[314] Merging master onto branch
[314] Fixed some ugly CSS
[314] Integrate Elements.less. Use mixins to remove browser hacks from stylesheets.
[304] Search facets expand button becomes 'collapse' when clicked.
[304] Visual style of search facets.
[304] Refactoring out code repetition in package/read_core
[304] Format box made consistent throughout the site.
[304] Drop that ribbon on datasets.
[304] Package format code refactor. Move formats on dataset/search to top right of parent box.
[304] Tearing out black bars. Change the way we list datasets.
[314] Merging master onto branch.
[304] Remove all literal <python> blocks.
[304] Visual refinement. Refactoring search facet code for maintainability.
[304] Visual refinement of search facets.
[304] Clean up widget-container sidebars throughout site.