[Date Picker View] Change the type of the property `fromDate` and the type of the property `toDate` to `NSDate` to get rid of unnecessary conversions.
[Date Picker View] Change the type of the property `fromDate` and the type of the property `toDate` to `NSDate` to get rid of unnecessary conversions.

ruslanskorb/RSDayFlow,emiliopavia/RSDayFlow,ruslanskorb/RSDayFlow,akshitaagarwal1/RSDayFlow,whatsahoy/RSDayFlow,ruslanskorb/RSDayFlow-Mirror,lammertw/RSDayFlow,benjaminhorner/RSDayFlow,benjaminhorner/RSDayFlow