Added soft-delete to checkin and checkout procedures so that they revive when equip model is reactivated
resolves 426, refactored activate and deactivate btn creation to helper, added confirmation on deactivate to notify user that reservations will be permenantly deleted
Merge pull request #431 from YaleSTC/427_27_deactivate_bugs

Resolved 426 and 427 issues with the deactivation function throughout app