Merge pull request #22 from nphillips/master

further refinements to the new 2-level nav
sponsor page tweaks
Merge branch 'master' of github.com:ksantiago/lenditrails
added sponsorship packages to europe
removing styles on the nav
removed no index for prod
removed conferences temporarily from nav
temp removed popup boxes for sponsors
changed home to new landing page and updated routes
removed errant a tags in sponsors index
removed nav
remove conferences from nav
added colorbox to sponsors
Merge branch 'new_home'
returned the routes and nav
made changes to popup for sponsors
Adding back the logo -- it was missing before