add callouts for bootstrap 2.3.2 docs and 3.0 rc1 post
add ads to v3 docs
add comments to gloss Unicode codepoint hex
Merge branch 'bs3_add_ads' into bs3_rc1
Merge branch 'bs3_old_docs_callout' into bs3_rc1
vertically center ad
relative url
copy change to css page subheading
change download button label
Merge pull request #8517 from cvrebert/gloss-unicode

add comments to gloss Unicode codepoint hex
Jankily fix input group wrapping with button groups in Firefox (fixes #8321, #8429, and #8067)
Fixes #8516: correct input-small and input-large on select elements
flatten docs dir back into root
finish flattening repo structure; add dist folder of compiled css/js
Merge branch 'bs3_rc1' into 3.0.0-wip
Add minified CSS to dist folder
Clean up tooltip's trigger description in the docs.
Remove Mustache comment regarding contribution: it's going away.
Merge pull request #8521 from epicyclist/3.0.0-wip

Documentation updates.
`<input>` and  `<select>` sizing update

Restores `font-size` and more to the `<select>` element while also
changing from `min-height` to `height` for input sizing.

Fixes #8520 as opened by @ShaunR (would've merged that PR but I moved
everything around right before).