Follow approved naming convention

[antonkomarev]

To follow naming convention these methods should be renamed:

• unaccept() to reject()
• unapprove() to disapprove()
• withUnaccepted() to withRejected()
• withoutUnaccepted() to withoutRejected()
• onlyUnaccepted() to onlyRejected()
• withInactive() to withDeactivated()
• withoutInactive() to withoutDeactivated()
• onlyInactive() to onlyDeactivated()
• withUnapproved() to withDisapproved()
• withoutUnapproved() to withoutDisapproved()
• onlyUnapproved() to onlyDisapproved()