Merge pull request CVCalendar#480 from CVCalendar/swift4

Swift4

Update docs for 1.5.2

Update docs for 1.5.1

Fix CVCalendar#188

Merge pull request CVCalendar#387 from beset/master

When the newly set presentedDate equals to the old presentedDate, presentedDate don’t update

Update to Swift 3 Syntax, remove CVDate-typealias, remove warnings"

Merge pull request CVCalendar#346 from nikolay-dementiev/feature

Nil-Safety for CVCalendar#337, thanks @nikolay-dementiev

Merge pull request CVCalendar#332 from ozgur/menu-weekday-enum-fix

Fixed populating incorrect weekdays

Merge pull request CVCalendar#214 from sprint84/master

Carthage compatible project

Remove duplicate setup dotmarker method