Added more/less functionality back into facets
Added blank record check to artifact import script
Fixed tile style issue in Safari
Added week chart, all years by month chart, and all years by year chart
Removed deprecated charting functions
Added new charts
Completely refactored analytics module to follow the MVC design pattern
Refactored to follow MVC
Combined facet handling constant for less ambiguity
Renamed analytics index page and added htaccess IP filtering