Added validations so that you can't checkout books or reserve books if banned
Added mailers
Added the mailer to the strikes controller
Updated the mailer tests
Added the reason model and renamed message to other_info
Added strike valiations and updated the specs
Made it so barcode returns nil if it isn't set yet
Updated strike form
Wrote strike specs
Check in requires distributor now.
Merge pull request #19 from rit-sse/strikes-and-things

Strikes and things