Added .gitignore
Added .gitignore

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