Merge pull request #3 from mirzadelic/master

Adding nullable() to fields in the trackers table
Adding default to boolean fields in trackers table

Just a bit better than them being nullable
Added default values and nullable to fields in trackers table

This reflects changes made to the migrations
Update README.md

Reminder about the caching of the stats page
Fix ckfinder path
Fix ckfinder path
Fix ckfinder path
Fix ckfinder path
Define path for ckFinder uploads

Attempted getting the url dynamically - so you don't have to manually edit this file for ckFinder to work.