Merge pull request ishkawa#113 from tarunon/fix/crash_view_ui_hierarchy

Fixed Xcode crashes

Update APIKit.podspec

Update README and podspec

Merge pull request ishkawa#112 from ishkawa/feature/fix-podspec-deplo…

…yment-target

Fix watchOS deployment target in podspec

Merge pull request ishkawa#111 from ishkawa/feature/unified-target

Update Result.framework and set deployment target watchOS 2.0 and tvOS 9.0 explicitly.

Update README

Merge pull request ishkawa#101 from ishkawa/feature/fix-Result-version

Specify the version of Result by ~> operator to avoid the collision

Merge pull request ishkawa#98 from ishkawa/feature/update-result

Update Result to 0.6.0-beta.6

Merge pull request ishkawa#97 from ishkawa/feature/fix-submodules

Update dependency to fix installing via Carthage

Bump Xcode version on Travis CI