Merging in search.php improvements from 1.3-support branch.
Assigning explicit id and class to all sidebar widgets in order to get along with BuddyPress better.

Should fix issue #3 (AJAX requests not firing for Groups widget).
Merging in styling, etc. fixes from 1.3-support.
Removing outdated support URIs.
Some new hooks.
Docfixes and an updated Normalize.css.
Initial efforts to support new custom background/header functionality in WP 3.4.
Importing changes from 1.3 maintenance branch and doing general code cleanup.
Fix funny spacing for header H1.
Let's make archived/category/taxonomy/etc. listings look a bit saner.
Updated to the latest WP-LESS.
Reverting bad URI.
Let's add some real metadata to the template.
New constant, LBLG_INCLUDE_DIR and an actual invocation of WP-LESS.
Oops. Let's, you know, *make it actual PHP code and not error out.*
Lousy vi Insert Mode will be the death of me yet.
Allow users to selectively disable BuddyPress nav elements in the header.
Grouping CSS into css/ directory so as to separate from LESS.

--HG--
rename : layouts/1-column-fixed.css => layouts/css/1-column-fixed.css
rename : layouts/1-column-fluid.css => layouts/css/1-column-fluid.css
rename : layouts/2-columns-fixed-sb-left-under-full.css => layouts/css/2-columns-fixed-sb-left-under-full.css
rename : layouts/2-columns-fixed-sb-left-under.css => layouts/css/2-columns-fixed-sb-left-under.css
rename : layouts/2-columns-fixed-sb-left.css => layouts/css/2-columns-fixed-sb-left.css
rename : layouts/2-columns-fixed-sb-right-under-full.css => layouts/css/2-columns-fixed-sb-right-under-full.css
rename : layouts/2-columns-fixed-sb-right-under.css => layouts/css/2-columns-fixed-sb-right-under.css
rename : layouts/2-columns-fixed-sb-right.css => layouts/css/2-columns-fixed-sb-right.css
rename : layouts/2-columns-fluid-sb-fixed-left-sb-under.css => layouts/css/2-columns-fluid-sb-fixed-left-sb-under.css
rename : layouts/2-columns-fluid-sb-fixed-left.css => layouts/css/2-columns-fluid-sb-fixed-left.css
rename : layouts/2-columns-fluid-sb-fixed-right-sb-under.css => layouts/css/2-columns-fluid-sb-fixed-right-sb-under.css
rename : layouts/2-columns-fluid-sb-fixed-right.css => layouts/css/2-columns-fluid-sb-fixed-right.css
rename : layouts/2-columns-percentage-sb-fixed-left-sb-under.css => layouts/css/2-columns-percentage-sb-fixed-left-sb-under.css
rename : layouts/2-columns-percentage-sb-fixed-left.css => layouts/css/2-columns-percentage-sb-fixed-left.css
rename : layouts/2-columns-percentage-sb-fixed-right-sb-under.css => layouts/css/2-columns-percentage-sb-fixed-right-sb-under.css
rename : layouts/2-columns-percentage-sb-fixed-right.css => layouts/css/2-columns-percentage-sb-fixed-right.css
rename : layouts/3-columns-fixed-sb-both.css => layouts/css/3-columns-fixed-sb-both.css
rename : layouts/3-columns-fixed-sb-left.css => layouts/css/3-columns-fixed-sb-left.css
rename : layouts/3-columns-fixed-sb-right.css => layouts/css/3-columns-fixed-sb-right.css
rename : layouts/3-columns-fluid-sb-fixed-both.css => layouts/css/3-columns-fluid-sb-fixed-both.css
rename : layouts/3-columns-fluid-sb-fixed-left.css => layouts/css/3-columns-fluid-sb-fixed-left.css
rename : layouts/3-columns-fluid-sb-fixed-right.css => layouts/css/3-columns-fluid-sb-fixed-right.css
rename : layouts/3-columns-percentage-sb-both.css => layouts/css/3-columns-percentage-sb-both.css
rename : layouts/3-columns-percentage-sb-left.css => layouts/css/3-columns-percentage-sb-left.css
rename : layouts/3-columns-percentage-sb-right.css => layouts/css/3-columns-percentage-sb-right.css
rename : layouts/3-columns-sb-both-hybrid-left.css => layouts/css/3-columns-sb-both-hybrid-left.css
rename : layouts/3-columns-sb-both-hybrid-right.css => layouts/css/3-columns-sb-both-hybrid-right.css
rename : layouts/3-columns-sb-left-hybrid.css => layouts/css/3-columns-sb-left-hybrid.css
rename : layouts/3-columns-sb-right-hybrid.css => layouts/css/3-columns-sb-right-hybrid.css
Accounting for a change in CSS location.
Simple fix for BuddyPress navigation. Props to @pippinsplugins.