Add PHPDoc
Variables cleanup
Models cleanup, added doctrine/dbal
Added snapshot structure
Updated framework and pheanstalk
Added snapshots to inserting
Working snapshots comparison
Update composer
Misc changes
Dont collect cron jobs when app is in maintenance
Removed old code
Working snapshots comparison
TODO: make sure one cookie file per request
Snapshots comparison modified
Merge branch 'better-scraping'

Conflicts:
	app/jobs/CheckIfUserNeedsGradeProcessJob.php
	app/routes.php
	app/start/global.php