Merge pull request #3 from sole/master

Spinner.gif now local to the repo
Re-add "hack" to fix height issues in webkit.

Re-add "hack" to fix height issues in webkit
@potch is bad at code
added manifest; untabbed extra whitespace in css
hey maybe I should actually git add the manifest that'd be cool
fixed header not offsetting correctly in FF18
updated for better perf and transition handling, slimmed CSS
removed trailing comma, readded local spinner background
readd erased css to address ff18 footer issue
update docs; add link to overall Brick CSS/JS
added overhauled demo; remove buggy attributes from documentation
fix incorrectly applied margin:0 !important
add maxcontent demo
fix ff18 issue with flex item content not shrinking
update demo page to work with brick site demo helpers
fix outdated attribute in demo
tweak makefile to force demo compilation
fix typo on demo page
update logo
update flexbox styles to account for oddities with 100% height children of flex items, as well as with position:absolute in FF18