added assets from graphic design; began implementing new layout (application.html.haml done so far)
updated layout
- implemented most of the volunteers-waiting-for-tasks design.  Still a problem with buttons.
more tweaking towards dashboard.  Still a way to go.
fixed pluralization error in path helper
fixed assign_now behavior
finished implementing new design up to and including waiting volunteer task requests.
added request new task for all volunteers.
done table headings for my tasks
- implemented tasks table (simple version) with new design.
removed extraneous whitespace in task actions partial
rounded tables for tasks
- additional minor fixes to button appearance
testing heading fixes
Merge commit '75e5163d7f3af9c55f0419399319b154ecd6a759' into graphic_impl
moving assets to public/, since this is a 2.x app ported to 3.x and the assets pipeline isn't really working
dashboard tables header text -> white
login/logout links at top left corner now padded better
fixed tabs highlighting
more UI improvements for main screen