Merge pull request #108 from danielhers/master

Small style fixes
more settings tweaks
fixing nsa settings
improving locality navigation and fixing #106
Cleaning up keroku dependencis
Clean bug with static file serving
Improving texts. closing #113
Tags are almost here... stil #fails
Tags are almost done, #87
Fix whoosh version to 2.5

Apparently it is needed, otherwise there is an error when the site is loaded.