segue 'push' is deprecated, use 'show' in iOS 8

segue change is part of a larger shift to dynamic UI handling. Xcode
6.1 gives a warning for use of “push”
Merge branch 'master' of https://github.com/sventech/shrimp into sventech-master

Conflicts:
	iOS/Shrimp/Base.lproj/Main.storyboard
Merge pull request #2 from mfikes/sventech-master

Sventech master