3.2.0

• Heimdallr has been updated for Swift 2.1.
• The OS X deployment target has been lowered to 10.9.
• Configurations are now inherited from jspahrsummers/xcconfigs.
• Dependencies are now managed explicitly using Git submodules.
• ReactiveCocoa and antitypical/Result have been updated.
• kishikawakatsumi/KeychainAccess has been replaced by a custom keychain wrapper.