formatting changes
added partially working mixin for view_mission 
changed the way mission's are pulled in missions.jade
minor css changes
added blank page for tutorials
changed navbar color
added static pages
we can now send reset password emails!
added dependencies in package.json
fixed bug in browserify
made some slight changes I don't remember
added category labels in vizon.js
fixed GruntFile and header error on view_missions page
Merge pull request #11 from extragalactic/conflicts_with_master

Merging my changes on into arni's. Hopefully I didn't break anything.