Proposal: Default to Static Linking

[chrisballinger]

Including too many dynamic frameworks can dramatically increase launch times:

• https://developer.apple.com/videos/play/wwdc2016/406/
• https://blog.automatic.com/how-we-cut-our-ios-apps-launch-time-in-half-with-this-one-cool-trick-7aca2011e2ea

We used CocoaPods with static linking on a recent project, overall was pretty happy with it.