Added header and footer CSS

Added header and footer styling, also added a lot of javascript for
possible animation later on
Fixed header issue

Fixed header issue where navbar was in fixed position
Adding a browse page

Added a browsing page that shows picture of games
Merge branch 'master' of https://github.com/asakurasol/MeepleHuddle
Various cleanup tasks: removed fancybox, fixed image names (all lowercase), removed dropdowns