Updated requirements
Updated requirements

jiamaozheng/RMDateSelectionViewController,robertibiris/RMDateSelectionViewController,sproutsocial/RMDateSelectionViewController,i-miss-you/RMDateSelectionViewController,sandyway/RMDateSelectionViewController,CooperRS/RMDateSelectionViewController,CooperRS/RMDateSelectionViewController,kevin-hirsch/RMDateSelectionViewController,AlexanderMazaletskiy/RMDateSelectionViewController,nickoneill/RMDateSelectionViewController,sproutsocial/RMDateSelectionViewController,scottphc/RMDateSelectionViewController,zilaiyedaren/RMDateSelectionViewController,lijie121210/RMDateSelectionViewController