adding an info about iOS 7 support
#11 #15: refactoring view handling for supporting iOS7 // fixing bug using parameters allowOldDates or allowFutureDates
setting background color of datePickerContainer
pull request by @basdp to fix #18
constraints updated to fix landscape issues / animation added / xib updated
screenshots updated
v.0.3.0b
url of screen shots fixed
Merge origin/ios7