Merge pull request #90 from spaghetti-open-data/infinitescroll

Implementazione infinite scrolling
refactoring infinite scroll
firefox fix
laxy loader on infinit scrolling
laxy loader new elements
removed laxy loaded, infinitscroll configurations
fix counter
fix link
load 30 by default
fix counters
fix config production
fix limit
re-execute callbacks
fix popup content
Update views/includes/header.ejs
simple session handler