Revert "Always build all architectures"

This reverts commit f63c40abe84391e345a2bb5f6217bb30f6a4d7c8.
Merge branch 'develop' of git://github.com/danielctull/DCTCoreDataStack
Implement UIStateRestoring and UIObjectRestoration for iOS
Use the standard initialiser and don't store the identifier
Make sure to encode all the properties
Convert to XCTest
Add documentation phase
Add /usr/local/bin to the PATH to find homebrew's appledoc
Update documentation script
Update documentation script
Add -Weverything and resolve warnings
Update for Xcode 6
Tidy project and use the shared Xcode configurations
Create a framework and use the shared Xcode configurations