Change iOS Target version to iOS 10.0

Fix pod spec

update pod spec and changelog

Remove deprecated code.

Bugfix: Issue #60 - PHAssetMediaSubtype.photoScreenshot not accessible in iOS 12.4 version

Merge pull request #59 from rivera-ernesto/master

Remove assertions that break non-Cocoapods installations

Showcast picker in demo app

Dark mode support

Ignore .DS_Store files

Release: - The OpalImagePickerConfiguration isn't usable from Objective-C because the properties aren't defined with @objc.

Merge pull request #50 from hausgold/add_objc_attributes_to_configuration

increment pod spec

Deprecated: UIImage based APIs. Instead users will need to use PHAsset and handle downloading from iCloud.

Add @objc attributes to the configurations properties