Move css to static/css.

diff --git a/css/DroidSerif-webfont.woff b/static/css/DroidSerif-webfont.woff
similarity index 100%
rename from css/DroidSerif-webfont.woff
rename to static/css/DroidSerif-webfont.woff

diff --git a/css/reset.css b/static/css/reset.css
similarity index 100%
rename from css/reset.css
rename to static/css/reset.css

diff --git a/css/screen.css b/static/css/screen.css
similarity index 100%
rename from css/screen.css
rename to static/css/screen.css